Best open-source GitHub Copilot alternative (2026)
Open-source AI coding integrations you can audit, self-host, or run with your own API key — the privacy-respecting alternatives to GitHub Copilot.
🏆 Top pick: Continue.dev
Continue.dev is open source and lets you bring your own model — full control over where your code goes.
The ranked list
| # | Tool | Open source | Compatibility | Model choice | Privacy |
|---|---|---|---|---|---|
| 1 | Continue.dev | Yes | VS Code, JetBrains | BYO model | Configurable |
| 2 | Aider (terminal) | Yes | Any editor (terminal) | BYO model | Configurable |
| 3 | Cline | Yes | VS Code, JetBrains, Terminal | BYO model | Sent to provider |
| 4 | Sourcegraph Cody | Yes | VS Code, JetBrains, Visual Studio, Web | Multiple providers | Sent to provider |
| 5 | OpenAI Codex CLI | Yes | Any editor (terminal) | BYO model | Sent to provider |
| 6 | Roo Code | Yes | VS Code, JetBrains, Cursor, Windsurf | BYO model | Configurable |
| 7 | OpenHands | Yes | Any editor (web UI) | BYO model | Configurable |
| 8 | Qodo | Yes | VS Code, GitHub PR, CLI | BYO model | Configurable |
Why each made the list
1 Continue.dev
Open-source AI extension with full model and provider flexibility
2 Aider (terminal)
Git-aware AI pair programming from any terminal or editor
3 Cline
Autonomous coding agent in VS Code and terminal with full BYO model flexibility
4 Sourcegraph Cody
Cross-repo AI coding assistant with Sourcegraph code search and context
5 OpenAI Codex CLI
Official OpenAI CLI coding agent with sandboxed execution and multi-model support
6 Roo Code
Multi-mode autonomous coding agent with BYO model, code/architect/ask/debug modes
7 OpenHands
Open-source autonomous AI software engineer accessible via browser or CLI
8 Qodo
AI-powered code review, automated test generation, PR quality gates
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