Open-source AI coding tools and editor plugins
AI in VS Code, JetBrains and the terminal, with your own models.
An open-source coding agent for the terminal (desktop app too) that can switch among 75+ model providers, including local models and existing Copilot/ChatGPT subscriptions.
A Claude Code alternative not tied to one model vendor. Passed 200,000 stars in 2026, with mature plugin and LSP integration.
A high-performance editor written in Rust with a built-in AI agent panel and edit prediction; external agents like Claude Code, Codex and Gemini CLI plug in via ACP.
Noticeably lower startup and typing latency than Electron editors, with terminal agents integrated into the editor UI. Good for anyone leaving VS Code.
An autonomous coding agent in VS Code that reads and writes files, runs terminal commands and drives a browser, showing you each step before it runs.
Works with any model (including local and self-hosted endpoints) and supports MCP; now also has a CLI and SDK. The most widely used open-source IDE agent.
Chat, inline completion and an agent mode in VS Code and JetBrains, with models and rules defined in config files you control.
One of the few open-source options with full JetBrains support, and it can run entirely offline on local Ollama models.
JetBrains: search Continue in the JetBrains MarketplaceA coding agent as a VS Code/JetBrains extension and CLI, with Architect, Code, Debug and other modes; bring your own API key.
Roo Code was archived in 2026; Kilo Code is the actively maintained continuation of that lineage, and it works for JetBrains users too.
Updated Oct 25, 2026 · ★ GitHub