Open Source Claude Code AlternativesAI Coding Assistants and other similar apps like Claude Code

The best open source alternative to Claude Code is Void. If that doesn't suit you, our users have ranked more than 50 alternatives to Claude Code and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Claude Code are Gemini CLI, opencode, Mellum and TabbyML.

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Claude Code alternatives are mainly AI Coding Assistants, but if you're looking for Large Language Model (LLM) Tools or AI Chatbots you can filter on that. Other popular filters include Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Claude Code.
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Alternatives list

  1. Void icon
     33 likes

    The open source AI code editor. Write code with the best AI tools, use any model, and retain full control over your data.

    73 Void alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
     
    • Void is the most popular Windows, Mac & Linux alternative to Claude Code.

    • Void is the most popular Open Source & free alternative to Claude Code.

    • Void is Free and Open SourceClaude Code is Paid and Proprietary
    • Void is Privacy focusedClaude Code is not according to our users
  2. Gemini CLI icon
     24 likes

    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.

    40 Gemini CLI alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  3. opencode icon
     21 likes

    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.

    59 opencode alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  4. Mellum icon
     19 likes

    Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.

    Cost / License

    Platforms

    • Self-Hosted
    • Python
     
    • Mellum is the most popular Self-Hosted alternative to Claude Code.

    • Mellum is Free and Open SourceClaude Code is Paid and Proprietary
  5. TabbyML icon
     20 likes

    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.

    74 TabbyML alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Visual Studio Code
     
  6. Continue.dev icon
     11 likes

    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.

    22 Continue.dev alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • IntelliJ IDEA
    • Visual Studio Code
     
  7. Omnara icon
     10 likes

    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.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • iPhone
    • iPad
    • Python
     
    • Omnara is the most popular iPad alternative to Claude Code.

    • Omnara is Freemium and Open SourceClaude Code is Paid and Proprietary
  8. Cline icon
     9 likes

    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.

    78 Cline alternatives

    Cost / License

    Application type

    Platforms

    • Visual Studio Code
     
  9. Rivet AI icon
     13 likes

    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.

    79 Rivet AI alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  10. Bolt.new icon
     9 likes

    Bolt.new is an in-browser AI web development agent that leverages StackBlitz’s WebContainers to allow for full stack application development. The application presents users with a simple, chat-based environment in which one prompts an agent to make code changes that are updated...

    91 Bolt.new alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source (MIT)

    Platforms

    • Online
     
  11. Twinny icon
     9 likes

    The most no-nonsense locally hosted (or API hosted) AI code completion plugin for Visual Studio Code, like GitHub Copilot but 100% free and 100% private.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Mac
    • Linux
    • Visual Studio Code
     
12 of 37 Claude Code alternatives