AI for Developers
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Best Jules alternatives

5 tools developers use instead of Jules, ranked by popularity. 4 offer a free plan and 1 is open source. Updated October 2026.

Free Open source Clear Showing 1–4 of 4
  1. Devin logo

    Devin

    Free plan

    Cognition AI's autonomous software engineer that plans, writes, debugs, and ships code with limited human oversight, across several model backends.

  2. OpenHands logo

    OpenHands

    Free Open source

    Open-source platform for autonomous coding agents built by All Hands AI, running in a sandboxed Docker environment to fix issues and open pull requests.

  3. Replit Agent logo

    Replit Agent

    Free plan

    Replit's autonomous app-building agent that plans, writes, and deploys a full application from a prompt, provisioning its own database and hosting inside Replit's cloud IDE.

  4. Cosine logo

    Cosine

    Free

    AI software engineer that runs from the CLI, cloud, or desktop, retrieving codebase context and planning, writing, and testing changes via its Genie agent.