GStars
    boa-dev

    boa-dev/boa

    Boa is an embeddable Javascript engine written in Rust.

    backend
    ecmascript
    hacktoberfest
    interpreter
    javascript
    javascript-engine
    Rust
    MIT
    7.7K stars
    689 forks
    50 GitHub watchers
    Updated Nov 6, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    1 release in the last 90 days, the latest 70 days ago, with 272 contributors on GitHub.

    Peaked at #66 in the weekly ranking the week of Mar 29, its best in the past year.

    Use Cases & Benefits

    • Implements an embeddable JavaScript engine written in Rust supporting over 90% of the latest ECMAScript specification.
    • Offers high conformance to ECMAScript standards with a Rust-based architecture enabling safe, fast, and embeddable JavaScript execution.
    • Use for embedding a JavaScript interpreter in Rust applications requiring modern ECMAScript support and safe execution.
    • Use for running JavaScript code in WebAssembly environments leveraging Boa's wasm32 target compatibility and lightweight runtime.
    • Use for building custom JavaScript tooling or REPLs with access to Boa's lexer, parser, and runtime crates in Rust.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    MIT

    Permissive: commercial use, modification and redistribution are allowed with attribution.

    Community files

    • README: present
    • Contributing guide: present
    • Code of conduct: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    Boa is an experimental JavaScript lexer, parser and interpreter written in Rust 🦀, it has support for more than 90% of the latest ECMAScript specification. We continuously improve the conformance to keep up with the ever-evolving standard.

    Try out the engine now at the live WASM playground here!

    Prefer a CLI? Feel free to try out boa_cli!

    Excerpt from the boa-dev/boa README on GitHub (MIT license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Forks

    689+36

    Open issues

    252+0

    Compared with peers in Backend

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth

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