best-of ranking · updated nightly

Best Open Source AI Assisted Coding Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    OpenCode ★ 208K

    AI coding agent for terminal, IDE, and desktop

    MIT TypeScript pushed 2026-09-17 details →
  2. 2
    pi ★ 107K

    Minimal terminal coding agent you can fully customize

    MIT TypeScript pushed 2026-09-17 details →
  3. 3
    OpenHands ★ 88K

    Autonomous coding agents that complete real engineering tasks

    MIT TypeScript pushed 2026-09-17 details →
  4. 4
    Paperclip ★ 81K

    Org chart, budgets, and governance for AI agent teams

    MIT TypeScript pushed 2026-09-17 details →
  5. 5
    Orca ★ 71K

    Run multiple AI coding agents in parallel, side by side

    MIT TypeScript pushed 2026-09-17 details →
  6. 6
    Cline ★ 69K

    Open-source AI coding agent for your editor and terminal

    Apache-2.0 TypeScript pushed 2026-09-17 details →
  7. 7
    Aider ★ 49K

    AI pair programmer that works inside your terminal

    Apache-2.0 Python pushed 2026-05-22 details →
  8. 8
    Continue ★ 36K

    Open-source coding agent for your IDE and terminal

    Apache-2.0 TypeScript pushed 2026-09-16 details →
  9. 9
    Tabby ★ 34K

    AI-powered code completion for seamless development

    NOASSERTION Rust pushed 2026-06-30 details →
  10. 10
    Grok Build ★ 27K

    AI coding agent and CLI for complex terminal workflows

    Apache-2.0 Rust pushed 2026-09-17 details →
method stars desc · snapshot from github api refresh nightly related Build & Deployment, Website Builders, Terminals, IDEs & Code Editors, API Development & Testing, Testing & Quality Assurance

Related best-of lists

best Build & Deployment →best Website Builders →best Terminals →best IDEs & Code Editors →best API Development & Testing →best Testing & Quality Assurance →

last updated nightly · ranking method: github stars, live-tracked

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Frequently asked questions

What is the best open source AI Assisted Coding tool in 2026?

OpenCode leads the ranking with 208,150 GitHub stars, ahead of pi. Rankings use live GitHub star counts, refreshed nightly.

How is this list of AI Assisted Coding tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best AI Assisted Coding tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.