Replithttps://replit.comBrowser IDE + hosting + agent. Zedhttps://zed.devFast editor with built-in agent. Voidhttps://voideditor.comOpen-source Cursor alternative. Windsurfhttps://windsurf.comAgentic IDE (Codeium) with Cascade agent. Google Antigravityhttps://antigravity.googleGoogle's agent-first IDE. Cursorhttps://cursor.comAgentic AI IDE. Clinehttps://cline.botAutonomous coding agent in VS Code. Continuehttps://continue.devOpen autopilot for VS Code + JetBrains. GitLab Duohttps://about.gitlab.com/gitlab-duo/GitLab's AI assistant suite (chat, code, agent workflows).