Alternatives / GitHub Copilot Open-source alternatives to GitHub Copilot GitHub Copilot is an AI coding assistant that offers real-time code completion, chat, and automated code suggestions inside popular code editors.GitHub Copilot is made by GitHub. It is not open source. These 24 open-source projects do the same job, closest first.
Developer tools , Coding assistants
Compare at a glance Open-source alternatives to GitHub Copilot: platforms, Docker, license, GitHub stars and last commit Project Type Self-host with Docker License Stars Last commit Aider CLI – Not listed Apache-2.0 50k 5 months ago Copilot for Obsidian Extension / plugin – Not listed AGPL-3.0 7.9k 11 hours ago GitHub CLI CLI – Not listed MIT 47k 17 hours ago plannotator Web, CLI, Extension / plugin – Not listed Apache-2.0 9.7k 7 hours ago Gitea Web, Docker / self-host Yes MIT 59k 14 hours ago Spec Kit CLI – Not listed MIT 144k 13 hours ago Oh My Pi CLI – Not listed MIT 37k 8 hours ago bat CLI – Not listed Apache-2.0 61k 14 hours ago Kilo Code CLI, Extension / plugin – Not listed MIT 28k 11 hours ago claude-code CLI – Not listed – Unknown 154k yesterday CopilotKit Library / SDK – Not listed MIT 38k 11 hours ago Context Mode Extension / plugin – Not listed Custom (read before use) 33k 15 hours ago GitNexus Web – Not listed Custom (read before use) 48k 19 hours ago OpenCode Desktop, CLI – Not listed MIT 223k 7 hours ago cmux Desktop – Not listed Custom (read before use) 29k 6 hours ago Codex CLI CLI – Not listed Apache-2.0 131k 6 hours ago cc-haha Desktop – Not listed Custom (read before use) 15k 17 hours ago Repomix CLI – Not listed MIT 29k 18 hours ago CC Switch Desktop – Not listed MIT 150k 6 hours ago Oh My OpenAgent CLI, Extension / plugin – Not listed Custom (read before use) 70k 7 hours ago FastGPT Web, Docker / self-host Yes Custom (read before use) 30k 7 hours ago OpenMontage CLI – Not listed AGPL-3.0 73k 12 hours ago AionUi Desktop – Not listed Apache-2.0 34k 6 days ago Tokscale CLI – Not listed MIT 5.8k 3 days ago
The alternatives A
AI pair programming in your terminal Personal Coding assistants CLI ★ 50k +1.7k / 90d Apache-2.0 commit 5 months ago C
Run AI agents in Obsidian Personal Chat UIs Notes & docs Extension / plugin ★ 7.9k +430 / 90d AGPL-3.0 commit 11 hours ago G
GitHub's official command line tool Personal Enterprise Developer tools CLI ★ 47k +1k / 90d MIT commit 17 hours ago p
Visual review and annotation tool for AI coding agents Personal Agent skills Developer tools Coding assistants Web CLI ★ 9.7k Apache-2.0 commit 7 hours ago live demo G
Painless self-hosted Git service Personal Enterprise Git hosting Infra & DevOps Web Docker / self-host ★ 59k +1.6k / 90d MIT commit 14 hours ago S
Toolkit for spec-driven development with AI agents Personal Enterprise Developer tools Coding assistants CLI ★ 144k +13k / 90d MIT commit 13 hours ago O
Coding agent with the IDE wired in Personal Coding assistants CLI ★ 37k +10k / 90d MIT commit 8 hours ago b
A cat clone with syntax highlighting Personal Developer tools CLI ★ 61k +1.2k / 90d Apache-2.0 commit 14 hours ago K
Open-source agentic engineering platform Personal Coding assistants CLI Extension / plugin ★ 28k +1k / 90d MIT commit 11 hours ago c
Agentic terminal coding assistant from Anthropic Personal Enterprise Developer tools Coding assistants CLI ★ 154k commit yesterday C
Frontend stack for agents and generative UI Personal Enterprise Web frameworks Agents & frameworks Library / SDK ★ 38k +2.2k / 90d MIT commit 11 hours ago C
Save context window space for coding agents Personal Coding assistants Extension / plugin ★ 33k +26k / 90d commit 15 hours ago G
Zero-server code intelligence engine Personal Developer tools Coding assistants Web ★ 48k +1.4k / 90d commit 19 hours ago O
Open-source coding agent for the terminal Personal Coding assistants Desktop CLI ★ 223k +36k / 90d MIT commit 7 hours ago c
macOS terminal built for AI coding agents Personal Developer tools Coding assistants Desktop ★ 29k +3.3k / 90d commit 6 hours ago C
Lightweight coding agent that runs in your terminal Personal Enterprise Coding assistants CLI ★ 131k +13k / 90d Apache-2.0 commit 6 hours ago c
Desktop workspace for Claude Code Personal Coding assistants Desktop ★ 15k +1.4k / 90d commit 17 hours ago R
Pack a repository into one AI-friendly file Personal Developer tools Coding assistants CLI ★ 29k +1.6k / 90d MIT commit 18 hours ago C
Desktop manager for Claude Code, Codex and other agents Personal Coding assistants Desktop ★ 150k +34k / 90d MIT commit 6 hours ago O
Multi-agent orchestration add-on for coding agents Personal Agents & frameworks Coding assistants CLI Extension / plugin ★ 70k +2.4k / 90d commit 7 hours ago F
Knowledge-based AI agent and RAG workflow platform Personal Enterprise Agents & frameworks MCP servers RAG & vector DBs Web ★ 30k commit 7 hours ago live demo O
Agentic video production system Personal Agents & frameworks Media & photos CLI ★ 73k +33k / 90d AGPL-3.0 commit 12 hours ago A
Cowork app for many CLI agents Personal Chat UIs Coding assistants Desktop ★ 34k +2k / 90d Apache-2.0 commit 6 days ago T
Track token use across coding agents Personal Coding assistants CLI ★ 5.8k +585 / 90d MIT commit 3 days ago