18 open-source AI Coding vendors
Open-source software for AI Coding that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 18
- European
- 3
- last checked
- 10 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100Mistral CodeFrance · EU sovereignFrench AI code assistant with IDE plugins for VS Code and JetBrains, powered by Codestral
- Sovereignty score 94 out of 100Mistral Vibe CLIFrance · Self-hosted / open sourceOpen-source terminal coding agent by Mistral, powered by Devstral, alternative to Claude Code
- Sovereignty score 94 out of 100SHAI (OVHcloud)France · Self-hosted / open sourceOpen-source terminal coding assistant (Apache 2.0) from France's OVHcloud; uses OVHcloud AI Endpoints in the EU by default.
- Sovereignty score 77 out of 100Refact.aiUnited Kingdom · Self-hosted / open sourceSelf-hosted, open-source AI coding assistant with encryption-at-rest and no server-side data collection; UK-registered.
- Sovereignty score 71 out of 100OpenCodeUnited States · Self-hosted / open sourceOpen-source terminal AI coding agent (MIT) by Anomaly Innovations, supports 75+ LLM providers.
- Sovereignty score 69 out of 100AiderUnited States · Self-hosted / open sourceOpen-source terminal AI pair-programming tool (Apache 2.0) by creator Paul Gauthier; no controlling company, bring-your-own-model.
- Sovereignty score 69 out of 100ClineUnited States · Self-hosted / open sourceOpen-source VS Code AI coding agent (Apache 2.0, ~70k GitHub stars) by Cline Bot Inc. (San Francisco) with step-by-step Plan/Act interaction.
- Sovereignty score 69 out of 100Gemini CLIUnited States · Self-hosted / open sourceOpen-source terminal agent (Apache 2.0) from US-based Google for coding tasks, using Gemini models served from Google's cloud.
- Sovereignty score 69 out of 100GooseUnited States · Self-hosted / open sourceOpen-source AI developer agent (Apache 2.0) originally by Block Inc., donated to the Linux Foundation's Agentic AI Foundation in late 2025.
- Sovereignty score 69 out of 100Kilo CodeUnited States · Self-hosted / open sourceOpen-source VS Code/JetBrains extension (a fork of Roo Code), owned by America's Anaconda since July 2026.
- Sovereignty score 69 out of 100NimbalystUnited States · Self-hosted / open sourceOpen-source desktop workspace from Nimbalyst, Inc. (US) for working with coding agents such as Claude Code and Codex; session management and visual editors with reviewable diffs
- Sovereignty score 69 out of 100TabbyUnited States · Self-hosted / open sourceSelf-hosted open-source AI coding server by TabbyML (San Francisco); no code ever leaves your own network.
- Sovereignty score 69 out of 100Wingman-AIUnited States · Self-hosted / open sourceOpen-source VS Code extension for codebase indexing and real-time context injection, individually maintained by Russell Canfield (Virginia, US); no company.
- Sovereignty score 49 out of 100OmnigentUnited States · Non-EU vendorOpen-source meta-harness providing a shared orchestration layer over agent environments such as Claude Code, Codex and Cursor, with policy enforcement and sandboxing.
- Sovereignty score 49 out of 100OpenHands (voorheen OpenDevin)United States · Non-EU vendorOpen-source autonomous AI software engineer capable of executing complex engineering tasks, developed by All Hands AI.
- Sovereignty score 49 out of 100Openwork (LangChain)United States · Non-EU vendorOpen-source desktop harness from LangChain letting agents edit local files and run shell commands after explicit human approval.
- Sovereignty score 49 out of 100PearAIUnited States · Non-EU vendorOpen-source, AI-first code editor (MIT, a fork of VS Code/Continue) by PearAI Inc. (Y Combinator, San Francisco), positioned as a transparent alternative to Cursor.
- Sovereignty score 49 out of 100ZedUnited States · Non-EU vendorGPU-accelerated, open-source code editor by Zed Industries (Denver) with native AI functionality and MCP integrations.
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