Top Open Source AI Coding Agents Tools in 2026
A curated collection of the 11 best free and open-source AI Coding Agents tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
Grok Build
AI-powered terminal coding agent
Stars26,121Last commit12d agoLicenseApache-2.0T3 Code
Open-source control plane for coding agents
Stars20,667Last commit10d agoLicenseMITSWE-agent
AI-powered autonomous software engineering agent
Stars20,151Last commit1mo agoLicenseMITRoomote
AI coding agent that ships reviewable PRs
Stars210Last commit10d agoLicenseOpen Source
pi
Minimal terminal-based AI coding agent
Stars98,118Last commit10d agoLicenseMIT
OpenHands
Open platform for cloud coding agents
Stars85,252Last commit10d agoLicenseMIT
OpenCode
Open source AI coding agent for developers
Stars201,854Last commit10d agoLicenseMITKilo
Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.
Stars27,041Last commit10d agoLicenseMIT
Frontman
AI website editor for existing sites
Stars679Last commit10d agoLicenseOpen Source
Continue
Open-source coding agent for developers
Stars35,644Last commit1mo agoLicenseApache-2.0
Cline
Open-source AI coding agent for developers
Stars66,966Last commit10d agoLicenseApache-2.0
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Showing 11 of 11 open-source tools