CLI tools

The best open source command-line AI coding agents and harnesses in 2026, ranked by GitHub stars: OpenCode at 165k, the new Pi harness, OpenHands, Cline, Goose, Aider, Crush, Qwen Code and more - with honest notes on licenses, local models, and which projects are dying.

The CLI coding agents worth using in 2026, with the Gemini CLI -> Antigravity CLI handover, OpenAI Codex on GPT-5.5, Cursor CLI's Cloud Handoff, OpenCode's open-source surge, and where Aider still fits.