Compiles Java bytecode to JavaScript, WebAssembly and C

fast polyglot runtime

A cat(1) clone with wings.

A syntax-highlighting pager for git, diff, grep, and blame output

Analysis of various tricky Rust code

Rust implementation of Jsonnet language

Build smaller, faster, and more secure desktop applications with a web frontend.

Fullstack GUI library for web, desktop, mobile, and more.

Iconic font aggregator, collection, & patcher. 3,600+ icons, 50+ patched fonts: Hack, Source Code Pro, more. Glyph collections: Font Awesome, Material Design Icons, Octicons, & more

tiniest x86-64-linux emulator

simple terminal UI for git commands

Reproducible experimeents on UTF-8 validation using SIMD instructions

General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.

esvu is your one-stop shop for all implementations of ECMAScript.

Fast function to parse strings into double (binary64) floating-point values, enforces the RFC 7159 (JSON standard) grammar: 4x faster than strtod

Pyodide is a Python distribution for the browser and Node.js based on WebAssembly

Graphviz in your browser

🗺 MapSCII is a Braille & ASCII world map renderer for your console - enter => telnet mapscii.me <= on Mac (brew install telnet) and Linux, connect with PuTTY on Windows

ripgrep recursively searches directories for a regex pattern while respecting your gitignore

The Capsule Hash Trie Collections Library

Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala

A source code transpiler that enables the use of ES2015 Unicode regular expressions in ES5.

A NES emulator written in Ruby

🐠 Babel is a compiler for writing next generation JavaScript.

node.js-runnable v8.log processor (d8 + %platform%-tick-processor friend)

Java port of Oniguruma regexp library

Find and fix problems in your JavaScript code.

JRuby, an implementation of Ruby on the JVM

Turn Ruby AST into semantically equivalent Ruby source

Writing an OS in Rust