1.nodejs / node
Node.js JavaScript runtime ✨🐢🚀✨
Ranked by Attention Score: stars gained over the last 90 complete days
1–100 of 227 by Attention Score · Aug 8, 2026 – Nov 5, 2026 (UTC)
Node.js JavaScript runtime ✨🐢🚀✨
The Modular Platform (includes MAX & Mojo)
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.
Emscripten: An LLVM-to-WebAssembly Compiler
MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)
Public repository of the QuickJS Javascript Engine.
The official mirror of the V8 Git repository
Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).
The Ruby Programming Language
A General-purpose Task-parallel Programming System in C++
Wasmer SDK: Run anything, anywhere suing WebAssembly-based sandboxes
A modern JavaScript utility library delivering modularity, performance, & extras.
pyright fork with various type checking improvements, improved vscode support and pylance features built into the language server
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
A framework for building compiled Node.js add-ons in Rust via Node-API
Public repository of the Micro QuickJS Javascript Engine
A fast multi-producer, multi-consumer lock-free concurrent queue for C++11
Kokkos C++ Performance Portability Programming Ecosystem: The Programming Model - Parallel Execution and Memory Abstraction
xLua is a lua programming solution for C# ( Unity, .Net, Mono) , it supports android, ios, windows, linux, osx, etc.
WebAssembly System Interface
Python Type Checker / Language Server
Multi-Language Vulkan/GL/GLES/EGL/GLX/WGL Loader-Generator based on the official specs.
ReScript is a robustly typed language that compiles to efficient and human-readable JavaScript.
Trio – a friendly Python library for async concurrency and I/O
Java 1-25 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.
Open Watcom V2.0 - Source code repository, Wiki, Latest Binary build, Archived builds including all installers for download.
Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator.
PyPy is a very fast and compliant implementation of the Python language.
🗜 JavaScript parser, mangler and compressor toolkit for ES6+
CircuitPython - a Python implementation for teaching coding with microcontrollers
Go package for computer vision using OpenCV 4 and beyond. Includes support for DNN, CUDA, OpenCV Contrib, and OpenVINO.
The Boehm-Demers-Weiser conservative C/C++ Garbage Collector (bdwgc, also known as bdw-gc, boehm-gc, libgc)
A fast single-producer, single-consumer lock-free queue for C++
.NET (WPF and Windows Forms) bindings for the Chromium Embedded Framework
Mono open source ECMA CLI, C# and .NET implementation.
Java interface to OpenCV, FFmpeg, and more
A strongly-typed language that compiles to JavaScript
SWIG is a software development tool that connects programs written in C and C++ with a variety of high-level programming languages.
Event-driven networking engine written in Python.
Very spicy additions to the Java programming language.
Lightweight, modular, and extensible library for functional programming.
Concurrency primitives, safe memory reclamation mechanisms and non-blocking (including lock-free) data structures designed to aid in the research, design and implementation of high performance concurrent systems developed in C99+.
Vert.x is a tool-kit for building reactive applications on the JVM
A lightweight C++ base library with Go-style coroutines.
Pharo is a dynamic reflective pure object-oriented language supporting live programming inspired by Smalltalk.
A lightweight, dependency-free library for binding Lua to C++
ILGPU JIT Compiler for high-performance .Net GPU programs
Android virtual machine and deobfuscator
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
Canonical actor model implementation for .NET with local + distributed actors in C# and F#.
The LLVM-based D Compiler.
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
The ESTree Spec
Effects-based direct-style IO for multicore OCaml
Useful extensions to the standard Python datetime features
Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.
Lightweight in-process concurrent programming
A high performance implementation of the Ruby programming language, built on GraalVM.
An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.
Embedded Scripting Language Designed for C++
Mathematical Components
CEF4Delphi is an open source project to embed Chromium-based browsers in applications made with Delphi or Lazarus/FPC for Windows, Linux and MacOS.
Convert Machine Learning Code Between Frameworks
libsodium compiled to Webassembly and pure JavaScript, with convenient wrappers.
A pure Python HTML5 parser that just works. No C extensions to compile. No system dependencies to install. No complex API to learn.
JRuby, an implementation of Ruby on the JVM
Frege is a Haskell for the JVM. It brings purely functional programing to the Java platform.
Lenses, Folds, and Traversals - Join us on web.libera.chat #haskell-lens
Embedded JavaScript engine for C/C++
Python interface to the WebRTC Voice Activity Detector
Lua Fun is a high-performance functional programming library for Lua designed with LuaJIT's trace compiler in mind.
Simplified distributed locking implementation using Redis
Gno: An interpreted, stack-based Go virtual machine to build succinct and composable apps + gno.land: a blockchain for timeless code and fair open-source.
A mysqldump anonymizer
A Coq library for Homotopy Type Theory
The source for the Dart website.