Best Windsurf alternatives

Open-source VS Code extension that turns the editor into an autonomous coding agent, using your own API key and an approval gate before each action.

AI-first code editor forked from VS Code, with Tab autocomplete, multi-file Agent mode, Composer, and background agents running on Claude, GPT, or Gemini.

GitHub's AI pair programmer for code completion, chat, PR review, and an autonomous coding agent, built into VS Code, JetBrains, Visual Studio, and more.

Open-source AI coding assistant for VS Code and JetBrains, routing between model providers through one config file, with custom context and Agent mode.

Open-source agentic coding platform with five agent modes, support for 500+ models at no markup, an MCP marketplace, and parallel subagents.