Best Open Source CLI Coding Agents in 2026
CLI Tools
AI Coding Agents
Open Source
The best open source command-line AI coding agents and harnesses in 2026, ranked by GitHub stars: DeepSeek Harness and OpenCode both at ~202k, Codex at 119k, Pi at 98k, plus vendor CLIs from xAI and Alibaba - with honest notes on licenses, local models, and which projects are dying.