The best open source alternative to Claude Code is opencode. If that doesn't suit you, our users have ranked more than 100 alternatives to Claude Code and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Claude Code are Void, Gemini CLI, Mellum and TabbyML.
Terminal-based AI coding assistant featuring a themed native UI, automatic LSP integration, multi-agent sessions, 75+ supported LLMs, local and cloud model options, shareable debugging links, open source licensing, and session sharing for collaborative coding workflows.
The open source AI code editor. Write code with the best AI tools, use any model, and retain full control over your data.
Open-source terminal AI connects to development tools, understands and edits code, generates, explains, and refactors using natural language, automates complex workflows, executes shell commands, grounds interactions with search, and supports extensibility via protocols and prompts.
Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.
Tabby is an open-source, self-hosted AI coding assistant. With Tabby, every team can set up its own LLM-powered code completion server with ease.
Warp is a blazingly fast, Rust-based terminal that makes you and your team more productive at coding and DevOps.
Continue is the leading open-source AI code assistant. You can connect any models and any context to build custom autocomplete and chat experiences inside VS Code and JetBrains.
Emdash is a provider-agnostic desktop app that lets you run multiple coding agents in parallel, each isolated in its own git worktree, either locally or over SSH on a remote machine. We call it an Agentic Development Environment (ADE).
Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.
Visual AI programming platform with a graphical interface for creating, editing, and debugging LLM agent workflows, supporting real-time collaboration, YAML-based version control, open-source TypeScript library integration, and scalable deployment in production environments.
Launch & control Claude Code from anywhere. Stop being chained to your desk. The real-time command center to monitor, debug, and guide your agent—right from your phone.
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