Best Codename Goose alternatives
5 tools developers use instead of Codename Goose, ranked by popularity. 5 offer a free plan and 3 are open source. Updated October 2026.
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Claude Code
Free planAnthropic's agentic coding tool, running in the terminal, IDE, desktop app, and browser, reading your codebase and editing files with explicit approval.
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OpenAI Codex
Free planOpenAI's cloud-based autonomous coding agent, powered by the GPT-5 family, reading a codebase and opening pull requests from written instructions.
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Open-source, git-aware AI pair programmer that runs in your terminal. Same project as "Aider Chat" elsewhere in this directory, now maintained at Aider-AI/aider.
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Open-source terminal coding agent with a TUI that works with any model provider, including local models, and supports LSP, MCP and custom agents.
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Google's open-source terminal coding agent built on Gemini models with a 1M-token context window. Shut down for free consumer accounts June 18, 2026.