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    • Online SpiderMonkey WASI shell
      JavaScript
      82730Updated Apr 26, 2026Apr 26, 2026
    • Source for https://spidermonkey.dev/
      JavaScript
      Other
      3170161Updated Apr 13, 2026Apr 13, 2026
    • iongraph

      Public
      TypeScript
      Mozilla Public License 2.0
      18349141Updated Apr 1, 2026Apr 1, 2026
    • sixgill

      Public
      Brian Hackett's Sixgill tool for C/C++ static analysis
      C++
      GNU General Public License v3.0
      0100Updated Feb 11, 2026Feb 11, 2026
    • Documentation and examples for embedding the SpiderMonkey JavaScript / WebAssembly engine in their applications.
      Shell
      Other
      40226184Updated Jan 26, 2026Jan 26, 2026
    • tech-tree

      Public
      TypeScript
      Other
      0100Updated Oct 8, 2025Oct 8, 2025
    • 0000Updated Sep 26, 2025Sep 26, 2025
    • jsparagus

      Public
      Experimental JS parser-generator project.
      Rust
      Other
      224561039Updated Jan 10, 2025Jan 10, 2025
    • Experimental browser performance micro-benchmark using matrix-react-sdk
      JavaScript
      Other
      3510Updated Jan 8, 2025Jan 8, 2025
    • Are We ESMified Yet?
      Python
      Other
      2700Updated Mar 29, 2024Mar 29, 2024
    • JavaScript
      2340Updated Mar 24, 2023Mar 24, 2023
    • Speedometer

      Public archive
      [ARCHIVED] Experimental branches of Speedometer benchmark. This has been migrated to https://github.com/mozilla/speedometer
      JavaScript
      Other
      94100Updated Mar 12, 2023Mar 12, 2023
    • sp3-tools

      Public
      Scripts for experimenting with Firefox/Spidermonkey benchmark performance
      0100Updated Feb 15, 2023Feb 15, 2023
    • embenchen

      Public
      Emscripten benchmark suite
      WebAssembly
      Other
      8500Updated Apr 1, 2022Apr 1, 2022
    • Low level tooling for WebAssembly in Rust
      Rust
      Apache License 2.0
      334600Updated Mar 11, 2022Mar 11, 2022
    • wasmtime

      Public
      Standalone JIT-style runtime for WebAssembly, using Cranelift
      Rust
      Apache License 2.0
      1.7k500Updated Mar 11, 2022Mar 11, 2022
    • Modular register allocator algorithms
      Rust
      Apache License 2.0
      23200Updated Mar 11, 2022Mar 11, 2022
    • memory64

      Public
      Memory with 64-bit indexes
      WebAssembly
      Other
      21200Updated Mar 11, 2022Mar 11, 2022
    • Microbenchmarks for wasm function calls
      JavaScript
      Apache License 2.0
      0400Updated Jan 17, 2022Jan 17, 2022
    • rust-frontend

      Public archive
      *ABANDONED* *Experimental* work on potentially rewriting the spidermonkey frontend. Not guaranteed to be merged.
      Other
      52800Updated Feb 26, 2020Feb 26, 2020
    • js-lock-and-condition

      Public archive
      INACTIVE - http://mzl.la/ghe-archive - Simple Lock and Condition Variable Library for JavaScript with SharedArrayBuffer and Atomics
      JavaScript
      Apache License 2.0
      910300Updated Dec 14, 2018Dec 14, 2018
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