{
  "count": 80,
  "kind": "ai-library",
  "sorts": [
    "stars",
    "name"
  ],
  "facets": {
    "lang": [
      "python",
      "ts",
      "go",
      "rust",
      "java",
      "cs",
      "php",
      "ruby"
    ],
    "libType": [
      "rag",
      "vector-db",
      "embedding",
      "llm-sdk",
      "observability",
      "orchestration",
      "inference",
      "fine-tuning",
      "agent-framework",
      "guardrails",
      "structured-output",
      "etl",
      "evals"
    ],
    "oss": [
      "true"
    ]
  },
  "facetCounts": {
    "lang": {
      "classified": 76,
      "total": 80,
      "values": {
        "python": 39,
        "ts": 9,
        "go": 4,
        "rust": 9,
        "java": 4,
        "cs": 1,
        "php": 1,
        "ruby": 1
      }
    },
    "libType": {
      "classified": 80,
      "total": 80,
      "values": {
        "rag": 19,
        "vector-db": 19,
        "embedding": 8,
        "llm-sdk": 7,
        "observability": 4,
        "orchestration": 6,
        "inference": 10,
        "fine-tuning": 4,
        "agent-framework": 18,
        "guardrails": 1,
        "structured-output": 5,
        "etl": 7,
        "evals": 5
      }
    },
    "oss": {
      "classified": 76,
      "total": 80,
      "values": {
        "true": 76
      }
    }
  },
  "outputs": [
    "json",
    "xml",
    "csv",
    "sse",
    "events"
  ],
  "resources": [
    {
      "slug": "langchain-lib",
      "name": "LangChain",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://www.langchain.com",
      "description": "LLM app framework + LangGraph.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "langchain-ai/langchain",
        "stars": 146626,
        "starsAsOf": "2026-09-19"
      },
      "caps": [
        "rag",
        "agents",
        "chains"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "agent-framework",
          "rag",
          "orchestration"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "vllm-lib",
      "name": "vLLM (lib)",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://docs.vllm.ai",
      "description": "High-throughput serving library.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "vllm-project/vllm",
        "stars": 92134,
        "starsAsOf": "2026-09-19"
      },
      "caps": [
        "inference",
        "serving"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "inference"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "embedchain",
      "name": "Embedchain",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://embedchain.ai",
      "description": "Data-to-answer RAG for any source.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "mem0ai/mem0",
        "stars": 65616,
        "starsAsOf": "2026-09-19"
      },
      "caps": [
        "rag",
        "etl"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag",
          "etl"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "llamaindex-lib",
      "name": "LlamaIndex",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://www.llamaindex.ai",
      "description": "RAG + agent data framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "run-llama/llama_index",
        "stars": 52219,
        "starsAsOf": "2026-09-19"
      },
      "caps": [
        "rag",
        "agents"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag",
          "agent-framework",
          "etl"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "gguf-lib",
      "name": "llama-cpp-python",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://llama-cpp-python.readthedocs.io",
      "description": "llama.cpp's Python bindings.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "abetlen/llama-cpp-python",
        "stars": 10627,
        "starsAsOf": "2026-09-19"
      },
      "caps": [
        "inference",
        "local"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "inference"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "anthropic-sdk-python",
      "name": "anthropic-sdk-python",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/anthropics/anthropic-sdk-python",
      "description": "Official Anthropic Python SDK.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "anthropics/anthropic-sdk-python"
      },
      "caps": [
        "llm-sdk"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "llm-sdk"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "arize-phoenix",
      "name": "Arize Phoenix",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://phoenix.arize.com",
      "description": "LLM tracing + eval observability.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "Arize-ai/phoenix"
      },
      "caps": [
        "observability",
        "tracing"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "observability",
          "evals"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "axolotl",
      "name": "axolotl",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/axolotl-ai-cloud/axolotl",
      "description": "LLM fine-tuning toolkit.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "axolotl-ai-cloud/axolotl"
      },
      "caps": [
        "fine-tuning"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "fine-tuning"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "bertopic",
      "name": "BERTopic",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://maartengr.github.io/BERTopic",
      "description": "Neural topic modeling.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "MaartenGr/BERTopic"
      },
      "caps": [
        "topics"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "embedding",
          "etl"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "candle",
      "name": "Candle",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/huggingface/candle",
      "description": "HF's Rust ML framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "huggingface/candle"
      },
      "caps": [
        "inference",
        "ml"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "inference"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "chromadb",
      "name": "Chroma",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://www.trychroma.com",
      "description": "Embedded vector database.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "chroma-core/chroma"
      },
      "caps": [
        "vector-db",
        "embedded"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "vector-db",
          "embedding"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "cognita",
      "name": "Cognita",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/truefoundry/cognita",
      "description": "TrueFoundry's RAG framework + UI.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "truefoundry/cognita"
      },
      "caps": [
        "rag",
        "ui"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "deepeval",
      "name": "DeepEval",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://deepeval.com",
      "description": "LLM evaluation framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "confident-ai/deepeval"
      },
      "caps": [
        "evals"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "evals"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "docling",
      "name": "Docling",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://docling-project.github.io/docling",
      "description": "IBM's document-to-AI parser.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "docling-project/docling"
      },
      "caps": [
        "etl",
        "documents"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "etl",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "dspy",
      "name": "DSPy",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://dspy.ai",
      "description": "Programmatic LM pipelines + optimizers.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "stanfordnlp/dspy"
      },
      "caps": [
        "prompts",
        "optimization"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "orchestration",
          "evals"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "eino",
      "name": "Eino",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/cloudwego/eino",
      "description": "CloudWeGo's LLM app framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "cloudwego/eino"
      },
      "caps": [
        "rag",
        "agents"
      ],
      "facets": {
        "lang": "go",
        "libType": [
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "exllamav2",
      "name": "ExLlamaV2",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/turboderp-org/exllamav2",
      "description": "Fast local inference kernels.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "turboderp-org/exllamav2"
      },
      "caps": [
        "inference",
        "gpu"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "inference"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "faiss",
      "name": "FAISS",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/facebookresearch/faiss",
      "description": "Meta's similarity-search library.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "facebookresearch/faiss"
      },
      "caps": [
        "vector-db",
        "lib"
      ],
      "facets": {
        "lang": "cpp",
        "libType": [
          "vector-db",
          "embedding"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "fastembed",
      "name": "FastEmbed",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://qdrant.github.io/fastembed",
      "description": "Fast quantized embeddings (Qdrant).",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "qdrant/fastembed"
      },
      "caps": [
        "embedding"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "embedding"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "genkit",
      "name": "Genkit",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://genkit.dev",
      "description": "Google's AI app framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "firebase/genkit"
      },
      "caps": [
        "rag",
        "agents"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "agent-framework",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "graphrag",
      "name": "GraphRAG",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://microsoft.github.io/graphrag",
      "description": "Microsoft's graph-based RAG.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "microsoft/graphrag"
      },
      "caps": [
        "rag",
        "knowledge-graph"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "guardrails-ai",
      "name": "Guardrails AI",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://www.guardrailsai.com",
      "description": "LLM output validation + rails.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "guardrails-ai/guardrails"
      },
      "caps": [
        "guardrails",
        "validation"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "guardrails",
          "structured-output"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "guidance",
      "name": "guidance",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/guidance-ai/guidance",
      "description": "Microsoft's structured generation.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "guidance-ai/guidance"
      },
      "caps": [
        "structured-output"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "structured-output"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "haystack",
      "name": "Haystack",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://haystack.deepset.ai",
      "description": "deepset's RAG pipeline framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "deepset-ai/haystack"
      },
      "caps": [
        "rag",
        "nlp"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag",
          "etl"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "helicone",
      "name": "Helicone",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://helicone.ai",
      "description": "LLM observability proxy.",
      "access": "oss",
      "pricing": "freemium",
      "github": {
        "repo": "Helicone/helicone"
      },
      "caps": [
        "observability",
        "proxy"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "observability"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "instructor",
      "name": "Instructor",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://jxnl.github.io/instructor",
      "description": "Structured LLM outputs (Pydantic).",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "jxnl/instructor"
      },
      "caps": [
        "structured-output"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "structured-output"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "jina-embeddings",
      "name": "Jina Embeddings",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://jina.ai/embeddings",
      "description": "Long-context embedding models.",
      "access": "api",
      "pricing": "freemium",
      "caps": [
        "embedding"
      ],
      "facets": {
        "libType": [
          "embedding"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "kalosm",
      "name": "Kalosm",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/floneum/kalosm",
      "description": "Rust local AI (embed, transcribe, generate).",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "floneum/kalosm"
      },
      "caps": [
        "inference",
        "local"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "inference",
          "embedding"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "kotaemon",
      "name": "kotaemon",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/Cinnamon/kotaemon",
      "description": "Clean RAG UI + framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "Cinnamon/kotaemon"
      },
      "caps": [
        "rag",
        "ui"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "lancedb",
      "name": "LanceDB",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://lancedb.com",
      "description": "Serverless embedded vector DB.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "lancedb/lancedb"
      },
      "caps": [
        "vector-db",
        "embedded"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "langchainjs",
      "name": "LangChain.js",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://js.langchain.com",
      "description": "LangChain for TypeScript.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "langchain-ai/langchainjs"
      },
      "caps": [
        "rag",
        "agents"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "agent-framework",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "langchainrb",
      "name": "LangChain.rb",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/patterns-ai-core/langchainrb",
      "description": "LangChain for Ruby.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "patterns-ai-core/langchainrb"
      },
      "caps": [
        "rag",
        "agents"
      ],
      "facets": {
        "lang": "ruby",
        "libType": [
          "agent-framework",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "langchain4j",
      "name": "LangChain4j",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/langchain4j/langchain4j",
      "description": "LangChain for Java.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "langchain4j/langchain4j"
      },
      "caps": [
        "rag",
        "agents"
      ],
      "facets": {
        "lang": "java",
        "libType": [
          "agent-framework",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "langchaingo",
      "name": "langchaingo",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/tmc/langchaingo",
      "description": "LangChain for Go.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "tmc/langchaingo"
      },
      "caps": [
        "rag",
        "agents"
      ],
      "facets": {
        "lang": "go",
        "libType": [
          "agent-framework",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "langfuse",
      "name": "Langfuse",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://langfuse.com",
      "description": "LLM observability + tracing.",
      "access": "oss",
      "pricing": "freemium",
      "github": {
        "repo": "langfuse/langfuse"
      },
      "caps": [
        "observability",
        "tracing"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "observability"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "langsmith",
      "name": "LangSmith",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://smith.langchain.com",
      "description": "LangChain's observability platform.",
      "access": "api",
      "pricing": "freemium",
      "caps": [
        "observability",
        "tracing"
      ],
      "facets": {
        "libType": [
          "observability"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "lightrag",
      "name": "LightRAG",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/HKUDS/LightRAG",
      "description": "Graph-augmented RAG.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "HKUDS/LightRAG"
      },
      "caps": [
        "rag",
        "knowledge-graph"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "litellm",
      "name": "LiteLLM",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://litellm.ai",
      "description": "One SDK for 100+ providers.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "BerriAI/litellm"
      },
      "caps": [
        "llm-sdk",
        "proxy"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "llm-sdk",
          "orchestration"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "llm-chain",
      "name": "llm-chain",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/sobelio/llm-chain",
      "description": "Rust LLM chains.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "sobelio/llm-chain"
      },
      "caps": [
        "agents",
        "chains"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "marqo",
      "name": "Marqo",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://marqo.ai",
      "description": "Tensor search engine.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "marqo-ai/marqo"
      },
      "caps": [
        "vector-db",
        "search"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "vector-db",
          "search"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "mastra",
      "name": "Mastra",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://mastra.ai",
      "description": "TS agent framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "mastra-ai/mastra"
      },
      "caps": [
        "agents"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "meilisearch",
      "name": "Meilisearch",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://meilisearch.com",
      "description": "Instant search engine + vector store.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "meilisearch/meilisearch"
      },
      "caps": [
        "search",
        "vector-db"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "search",
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "milvus",
      "name": "Milvus",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://milvus.io",
      "description": "Distributed vector DB.",
      "access": "self-host",
      "pricing": "free",
      "github": {
        "repo": "milvus-io/milvus"
      },
      "caps": [
        "vector-db"
      ],
      "facets": {
        "lang": "go",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "mistral-rs",
      "name": "mistral.rs",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/EricLBuehler/mistral.rs",
      "description": "Rust local LLM inference.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "EricLBuehler/mistral.rs"
      },
      "caps": [
        "inference",
        "local"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "inference"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "mlx",
      "name": "MLX",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://ml-explore.github.io/mlx",
      "description": "Apple-silicon ML array framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "ml-explore/mlx"
      },
      "caps": [
        "inference",
        "apple"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "inference"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "openai-node",
      "name": "openai-node",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/openai/openai-node",
      "description": "Official OpenAI TS SDK.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "openai/openai-node"
      },
      "caps": [
        "llm-sdk"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "llm-sdk"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "openai-php",
      "name": "openai-php",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/openai-php/client",
      "description": "OpenAI PHP client.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "openai-php/client"
      },
      "caps": [
        "llm-sdk"
      ],
      "facets": {
        "lang": "php",
        "libType": [
          "llm-sdk"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "openai-python",
      "name": "openai-python",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/openai/openai-python",
      "description": "Official OpenAI Python SDK.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "openai/openai-python"
      },
      "caps": [
        "llm-sdk"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "llm-sdk"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "outlines",
      "name": "Outlines",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://outlines-dev.github.io/outlines",
      "description": "Structured generation control.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "outlines-dev/outlines"
      },
      "caps": [
        "structured-output"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "structured-output"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "pgvector",
      "name": "pgvector",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/pgvector/pgvector",
      "description": "Vector search inside Postgres.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "pgvector/pgvector"
      },
      "caps": [
        "vector-db",
        "postgres"
      ],
      "facets": {
        "lang": "c",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "pinecone",
      "name": "Pinecone",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://pinecone.io",
      "description": "Managed vector database.",
      "access": "api",
      "pricing": "freemium",
      "caps": [
        "vector-db",
        "managed"
      ],
      "facets": {
        "libType": [
          "vector-db"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "postgresml",
      "name": "PostgresML",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://postgresml.org",
      "description": "ML inside Postgres (embed + infer).",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "postgresml/postgresml"
      },
      "caps": [
        "vector-db",
        "inference",
        "postgres"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "vector-db",
          "inference"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "promptfoo",
      "name": "promptfoo",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://promptfoo.dev",
      "description": "LLM eval + red-team toolkit.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "promptfoo/promptfoo"
      },
      "caps": [
        "evals",
        "red-team"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "evals"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "pydantic-ai",
      "name": "Pydantic AI",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://ai.pydantic.dev",
      "description": "Type-safe agent framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "pydantic/pydantic-ai"
      },
      "caps": [
        "agents",
        "structured-output"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "agent-framework",
          "structured-output"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "qdrant",
      "name": "Qdrant",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://qdrant.tech",
      "description": "Vector database (Rust).",
      "access": "self-host",
      "pricing": "free",
      "github": {
        "repo": "qdrant/qdrant"
      },
      "caps": [
        "vector-db",
        "rust"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "qdrant-client-py",
      "name": "qdrant-client",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/qdrant/qdrant-client",
      "description": "Qdrant's Python client.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "qdrant/qdrant-client"
      },
      "caps": [
        "vector-db",
        "client"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "vector-db",
          "llm-sdk"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "ragas",
      "name": "Ragas",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://docs.ragas.io",
      "description": "RAG evaluation metrics.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "explodinggradients/ragas"
      },
      "caps": [
        "evals",
        "rag"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "evals",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "ragflow",
      "name": "RAGFlow",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://ragflow.io",
      "description": "Open RAG engine with deep document understanding.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "infiniflow/ragflow"
      },
      "caps": [
        "rag",
        "documents"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag",
          "etl"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "redis-vector",
      "name": "Redis vector sets",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://redis.io",
      "description": "Vector search inside Redis.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "redis/redis"
      },
      "caps": [
        "vector-db",
        "cache"
      ],
      "facets": {
        "lang": "c",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "rig",
      "name": "rigging",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/0xPlaygrounds/rig",
      "description": "Rust LLM app framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "0xPlaygrounds/rig"
      },
      "caps": [
        "agents"
      ],
      "facets": {
        "lang": "rust",
        "libType": [
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "semantic-kernel",
      "name": "Semantic Kernel",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/microsoft/semantic-kernel",
      "description": "Microsoft's AI orchestration SDK.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "microsoft/semantic-kernel"
      },
      "caps": [
        "orchestration"
      ],
      "facets": {
        "lang": "cs",
        "libType": [
          "orchestration",
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "semantic-kernel-java",
      "name": "Semantic Kernel Java",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/microsoft/semantic-kernel-java",
      "description": "SK for Java.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "microsoft/semantic-kernel-java"
      },
      "caps": [
        "orchestration"
      ],
      "facets": {
        "lang": "java",
        "libType": [
          "orchestration",
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "semantic-kernel-py",
      "name": "Semantic Kernel Python",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/microsoft/semantic-kernel",
      "description": "SK for Python.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "microsoft/semantic-kernel"
      },
      "caps": [
        "orchestration"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "orchestration",
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "sentence-transformers",
      "name": "Sentence Transformers",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://sbert.net",
      "description": "Sentence/paragraph embeddings.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "UKPLab/sentence-transformers"
      },
      "caps": [
        "embedding"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "embedding"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "spring-ai",
      "name": "Spring AI",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://spring.io/projects/spring-ai",
      "description": "AI applications on Spring.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "spring-projects/spring-ai"
      },
      "caps": [
        "rag",
        "agents"
      ],
      "facets": {
        "lang": "java",
        "libType": [
          "agent-framework",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "sqlite-vec",
      "name": "sqlite-vec",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/asg017/sqlite-vec",
      "description": "Vector search inside SQLite.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "asg017/sqlite-vec"
      },
      "caps": [
        "vector-db",
        "sqlite"
      ],
      "facets": {
        "lang": "c",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "tensorrt-llm",
      "name": "TensorRT-LLM",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/NVIDIA/TensorRT-LLM",
      "description": "NVIDIA's optimized LLM inference.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "NVIDIA/TensorRT-LLM"
      },
      "caps": [
        "inference",
        "gpu"
      ],
      "facets": {
        "lang": "cpp",
        "libType": [
          "inference"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "transformers",
      "name": "Transformers",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://huggingface.co/transformers",
      "description": "HF's model library.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "huggingface/transformers"
      },
      "caps": [
        "models",
        "inference"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "inference",
          "fine-tuning"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "trl",
      "name": "TRL",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/huggingface/trl",
      "description": "HF RL fine-tuning (SFT, DPO, PPO).",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "huggingface/trl"
      },
      "caps": [
        "fine-tuning",
        "rl"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "fine-tuning"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "turbopuffer",
      "name": "turbopuffer",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://turbopuffer.com",
      "description": "Serverless vector search.",
      "access": "api",
      "pricing": "paid",
      "caps": [
        "vector-db",
        "managed"
      ],
      "facets": {
        "libType": [
          "vector-db"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "txtai",
      "name": "txtai",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://neuml.github.io/txtai",
      "description": "Embeddings + RAG workflows.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "neuml/txtai"
      },
      "caps": [
        "rag",
        "embeddings"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "rag",
          "embedding"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "typesense",
      "name": "Typesense",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://typesense.org",
      "description": "Fast typo-tolerant + vector search.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "typesense/typesense"
      },
      "caps": [
        "search",
        "vector-db"
      ],
      "facets": {
        "lang": "cpp",
        "libType": [
          "search",
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "unsloth",
      "name": "unsloth",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://unsloth.ai",
      "description": "2× faster fine-tuning.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "unslothai/unsloth"
      },
      "caps": [
        "fine-tuning"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "fine-tuning"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "unstructured",
      "name": "Unstructured",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://unstructured.io",
      "description": "Document ETL for RAG.",
      "access": "oss",
      "pricing": "freemium",
      "github": {
        "repo": "Unstructured-IO/unstructured"
      },
      "caps": [
        "etl",
        "documents"
      ],
      "facets": {
        "lang": "python",
        "libType": [
          "etl",
          "rag"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "valkey",
      "name": "Valkey",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://valkey.io",
      "description": "Redis-forked cache + vector sets.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "valkey-io/valkey"
      },
      "caps": [
        "cache",
        "vector-db"
      ],
      "facets": {
        "lang": "c",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "vercel-ai-sdk",
      "name": "Vercel AI SDK",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://sdk.vercel.ai",
      "description": "The AI app SDK for TS.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "vercel/ai"
      },
      "caps": [
        "ui",
        "agents",
        "streams"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "llm-sdk",
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "vespa",
      "name": "Vespa",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://vespa.ai",
      "description": "Big-data serving + vector search.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "vespa-engine/vespa"
      },
      "caps": [
        "vector-db",
        "search"
      ],
      "facets": {
        "lang": "java",
        "libType": [
          "vector-db",
          "search"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "voltagent",
      "name": "VoltAgent",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://voltagent.dev",
      "description": "TS multi-agent framework.",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "VoltAgent/voltagent"
      },
      "caps": [
        "agents",
        "multi-agent"
      ],
      "facets": {
        "lang": "ts",
        "libType": [
          "agent-framework"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "weaviate",
      "name": "Weaviate",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://weaviate.io",
      "description": "Open-source vector DB.",
      "access": "self-host",
      "pricing": "free",
      "github": {
        "repo": "weaviate/weaviate"
      },
      "caps": [
        "vector-db"
      ],
      "facets": {
        "lang": "go",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    },
    {
      "slug": "zvec",
      "name": "zvec",
      "kind": "ai-library",
      "tags": [],
      "links": [],
      "url": "https://github.com/zvec-ai/zvec",
      "description": "Embedded vector DB (Zilliz).",
      "access": "oss",
      "pricing": "free",
      "github": {
        "repo": "zvec-ai/zvec"
      },
      "caps": [
        "vector-db",
        "embedded"
      ],
      "facets": {
        "lang": "cpp",
        "libType": [
          "vector-db"
        ],
        "oss": [
          "true"
        ]
      },
      "kinds": [
        "ai-library"
      ]
    }
  ]
}