Open Source GitHub Copilot AlternativesTop AI Coding Assistants and other similar apps like GitHub Copilot

The best open source alternative to GitHub Copilot is Void. If that doesn't suit you, our users have ranked more than 100 alternatives to GitHub Copilot and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to GitHub Copilot are Gemini CLI, opencode, Mellum and TabbyML.

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GitHub Copilot alternatives page was last updated

Alternatives list

  1. Void icon
     37 likes

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

    83 Void alternatives

    Cost / License

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
     
  2. Gemini CLI icon
     31 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.

    54 Gemini CLI alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  3. opencode icon
     28 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.

    72 opencode alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

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

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

    Cost / License

    Platforms

    • Self-Hosted
    • Python
     
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    1
    Mellum vs GitHub Copilot Comments
    Guest
    Negative
    0

    Mellum is a language model, Copilot is a CLI and AI service

    Review by a new / low-activity user.
    • Mellum is Free and Open SourceGitHub Copilot is Freemium and Proprietary
  5. TabbyML icon
     21 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.

    83 TabbyML alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Visual Studio Code
     
  6. Cline icon
     12 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.

    92 Cline alternatives

    Cost / License

    Application type

    Platforms

    • Visual Studio Code
     
  7. CodeGeeX icon
     22 likes

    CodeGeeX is an AI-based coding assistant, which can suggest code in the current or following lines. It is powered by a large-scale multilingual code generation model with 13 billion parameters, pretrained on a large code corpus of more than 20 programming languages.

    69 CodeGeeX alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
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    1
    CodeGeeX vs GitHub Copilot Comments
    jues117
    Positive
    3

    Works like copilot, and it's free now. Nice to see a new extension that can compete with copilot.

    • CodeGeeX is Free Personal and Open SourceGitHub Copilot is Freemium and Proprietary
  8. 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.

    29 Continue.dev alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • IntelliJ IDEA
    • Visual Studio Code
     
  9. Rivet AI icon
     16 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.

    90 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...

    118 Bolt.new alternatives

    Cost / License

    • Freemium
    • 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 48 GitHub Copilot alternatives