Mack

lumen. A from-scratch JavaScript engine in Rust — std only, zero deps, three tiers incl. an ARM64 JIT, 100% test262 (53,400/53,400)

howlingdb. C++

uucode-ts. fast unicode operations in typescript

ds.css. A css framework recreating the DS / DS Lite's UI

css-ds-home. a mostly faithful DS home screen

al. A small, statically-typed, expression-oriented programming language.

agentos. A faster, lighter, cheaper alternative to sandboxes. Run any coding agent inside an isolated Linux VM, with agent orchestration built in.

Arbor. A native music player for Apple devices, ft. an embedded Python runtime

arc. ⌒ JavaScript on the BEAM

tcmalloc. C++

jemalloc. C

mimalloc. mimalloc is a compact general purpose allocator with excellent performance.

linux. Experimental Linux fork with iPod nano support

mitata. benchmark tooling that loves you ❤️

rudu. Review PRs without losing your mind.

dejalu. Fast and Simple Email Client

slimcc. C23 compiler with C2y/GNU extensions for x86-64 Linux/BSD, written in C99

catmoji. Twemoji, but with cats!

diffkit. A fast, design-first GitHub dashboard for developers who want to stay on top of their pull requests, issues, and code reviews — without the noise.

ant. javascript for 🐜's, a tiny runtime with big ambitions

service-worker-magic. Server and Browser code are really the same. It's magic.

smolvm. Portable, lightweight, self-contained virtual machines.

cue. Your next move, on cue.

javascript-zoo. JavaScript engines zoo

e621ng. Ruby

litterate. Generate beautiful literate programming-style description of your code from comment annotations

macros. A more powerful C/C++ preprocessor.

cmux. Open source Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents. Built for multitasking, organization, and programmability.

package-manager-benchmarks. JavaScript package managers performance comparison between NPM, Yarn, Yarn PnP, PnPM, and Bun.

zwasm. A fast, spec-compliant WebAssembly runtime written in Zig

htop. htop - an interactive process viewer

Luna. Swift

zio. Async I/O framework for Zig

ziex. Full-stack web framework for Zig. HTML syntax within Zig code, just like JSX but for Zig!

fault. fault is a lightweight crash handler, panic and assertion library for C and C++, implemented in C++20. It provides a unified interface for alerting users, saving fault context and trace information when things go wrong, such as segmentation faults on Linux, unhandled exceptions on Windows, std::terminate, or explicit panics and assertions.

vmcli. A set of utilities (vmcli + vmctl) for macOS Virtualization.framework

xit. a git alternative written in zig

osaurus. Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.

DerkJS-Redux. My 1st JS interpreter for a tiny subset of JS. REWRITING

SuperStarTrek25thGMS. A port of Super Star Trek Meets 25th Anniversary to Game Maker Studio 2

uvm32. Minimalist, dependency-free virtual machine sandbox for microcontrollers and other resource-constrained devices. Single C file, no dynamic memory allocations, asynchronous design, pure C99

ko. Build and deploy Go applications

gitmal. A static page generator for repos

zmx. Session attach/detach for the terminal

libxev. libxev is a cross-platform, high-performance event loop that provides abstractions for non-blocking IO, timers, events, and more and works on Linux (io_uring or epoll), macOS (kqueue), and Wasm + WASI. Available as both a Zig and C API.

lago. Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

index.php. Alas, GitHub does not run on WordPress. Yet.

dingo. A meta-language for Go that adds Result types, error propagation (?), and pattern matching while maintaining 100% Go ecosystem compatibility

fastrand. A simple and fast random number generator

rapidhash. Very fast, high quality, platform-independent hashing algorithm.

radix3. 🌳 Lightweight and fast router for JavaScript based on Radix Tree. This fork adds functional matching!

rou3. 🌳 Lightweight and fast rou(ter) for JavaScript

PicoCalc_FTP. C

Picocalc_SD_Boot. Bootloader that loads firmware from PicoCalc's SD card Slot.

picocalc-text-starter. Get started on the PicoCalc using the Pico-Series C/C++ SDK.

lzzzz. Full-featured liblz4 binding for Rust

engine262. An implementation of ECMA-262 in JavaScript

reeva. A JavaScript engine for the JVM, built from the ground up with Kotlin.

bali. Bali is a JavaScript engine written in Nim

nova. JS engine lolz

elk. A low footprint JavaScript engine for embedded systems

mongoose. Embedded web server, with TCP/IP network stack, MQTT and Websocket

elsa. ❄️ Elsa is a minimal runtime for JavaScript and TypeScript written in Go

trailbase. An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, and admin UI built on Rust, SQLite & Wasmtime.

blobd. Blob storage designed for huge amounts of random reads and small objects with constant latency

typescript-go. Staging repo for development of native port of TypeScript

helix-db. HelixDB is an OLTP graph-vector database built in Rust on Object Storage.

taze. 🥦 A modern cli tool that keeps your deps fresh

openstatus. 🫖 Status page with uptime monitoring & API monitoring as code 🫖

moon. The build system and package manager for MoonBit

postgresql-embedded. Embed PostgreSQL database

duct.rs. a Rust library for running child processes

sst. Build full-stack apps on your own infrastructure.

plain-shiki. Highlight your plaintext via Shiki.

better-auth-ui. Beautiful UI components built for Better Auth.

short-uuid. Generate and translate standard uuids into shorter formats and back.

short-uuid. Translate standard UUIDs into shorter formats and back.

mini-rv32ima. A tiny C header-only risc-v emulator.

pyrodactyl. Pyrodactyl is the Pterodactyl-based game server panel that's faster, smaller, safer, and more accessible than Pelican.

zeitwork. The fastest way to deploy and scale any application

ripple. the elegant TypeScript UI framework

gurted. A new ecosystem similar to World Wide Web, featuring gurt:// protocol, custom browser (from scratch), HTML + CSS + Lua sites, DNS, search engine, server management tool, and more.

gobinaries. Golang binaries compiled on-demand for your system

esm.sh. A no-build JavaScript CDN for modern web development.

kinto. A generic JSON document store with sharing and synchronisation capabilities.

quart. An async Python micro framework for building web applications.

amber. A code search / replace tool

pocket-id. An easy-to-use OAuth 2.0 and OpenID Connect provider that lets users sign in to your services with their passkeys.

htmz. html with targeted manipulation zones

overmind. Process manager for Procfile-based applications and tmux

serious-shanns. A legible monospace font for playful professionals. Comic Sans for hackers

anubis. Weighs the soul of incoming HTTP requests to stop AI crawlers

Aria-Docs. A lightweight documentation builder for React and Next.js, designed for speed, simplicity, and minimal setup.

typebox. JSON Schema Type Builder with Static Type Resolution for TypeScript

fusion. Unite your modern frontend with your Laravel backend.

lightningcss. An extremely fast CSS parser, transformer, bundler, and minifier written in Rust.

surCord. A Discord Theme inspired by macOS & Human Interface Guidelines.

unduck. A fast, local-first "search engine" for !bang users

rune. An embeddable dynamic programming language for Rust.

fider. Open platform to collect and prioritize feedback

wg. Golang like WaitGroup implementation for sync/async Rust, support no_std environment.

skipdb. An embedded, in-memory, zero-copy, atomicity, consistency, isolation, MVCC, almost lock-free and serializable snapshot isolation database engine.

frp. A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.

Lilex. 🤘Open source programming font

ClickHouse. ClickHouse® is a real-time analytics database management system

porffor. An ahead-of-time JavaScript compiler

rust-memory-container-cs. Rust Memory Container Cheat-sheet

prompts.chat. f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

tmux-grimoire. Lightweight tmux plugin for customizable floating shells (“shpells”) — fast, scriptable, aesthetic.

cliclack. Beautiful, minimal, opinionated CLI prompts inspired by the Clack NPM package

flecs. A fast entity component system (ECS) for C & C++

open-webui. User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

awesome-status-pages. Awesome list of status page open source software, services and public status pages of major internet companies

snacks.nvim. 🍿 A collection of QoL plugins for Neovim

minimalistNVIM. A simple and minimalist NVIM configurations, written in Lua.

Project-Lightspeed. A self contained OBS -> FTL -> WebRTC live streaming server. Comprised of 3 parts once configured anyone can achieve sub-second OBS to the browser livestreaming

tvterm. A terminal emulator that runs in your terminal. Powered by Turbo Vision.

tmbasic. TMBASIC — Programming language for writing non-graphical programs

enhancd. :rocket: A next-generation cd command with your interactive filter

crossandra-rs. A fast and simple lexical tokenization library.

valid-reasons-to-use-java. Exhaustive list

doukutsu-rs. A faithful and open-source remake of Cave Story's engine written in Rust

xplr. A hackable, minimal, fast TUI file explorer

Zea.Species. Home to all my species mods

devlog-tracing. Pretty-formatted log subscriber for Rust's tracing library.

demand. prompt library for rust

cli. 🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

updo. Uptime monitoring CLI tool with alerting and advanced settings

bstr. A string type for Rust that is not required to be valid UTF-8.

UwUpp. The next generation esoteric language

full-moon. A lossless Lua 5.1 parser

pkgx. Run Anything

canvas-lms. The open LMS by Instructure, Inc.

hexclave. The user infrastructure platform. You choose the frontend, backend, and database. Hexclave handles everything else.

mixed-case-package-names. ⚠️ A cautionary study of typosquatting on the npm registry.

minify. Go minifiers for web formats

xflags. Rust

rgit. 🏯 blazingly fast web frontend for git repositories

iocraft. A Rust crate for beautiful, artisanally crafted CLIs, TUIs, and text-based IO.

scalar. Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

aider. aider is AI pair programming in your terminal

async-pool. Rust

packrun. npm for agents and humans

miniserde. Data structure serialization library with several opposite design goals from Serde

vorpal. Build system that works as code.

griptape. Modular Python framework for AI agents and workflows with chain-of-thought reasoning, tools, and memory.

anathema. TUI library in Rust with a custom templating language and runtime

tinyroute. A small networked message passing library

gccrs. GCC Front-End for Rust

mrustc. Alternative rust compiler (re-implementation)

poem. A full-featured and easy-to-use web framework with the Rust programming language.

puter. 🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

c4. x86 JIT compiler in 86 lines

c4. C in four functions

big-list-of-naughty-strings. The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

roblox-ts. A TypeScript-to-Luau Compiler for Roblox

ureq. A simple, safe HTTP client

llum. A fast, light, open chat UI with full tool use support across many models

emit. Developer-first diagnostics for Rust applications

Nucleus. A text editor made with Tauri

vite. Next generation frontend tooling. It's fast!

GeekMagic-S3. GeekMagic S3 project for fun.

ente. 💚 End-to-end encrypted cloud for everything.

lvgl. Embedded graphics library to create beautiful UIs for any MCU, MPU and display type.

nanoserde. Serialization library with zero dependencies

hocus. 🪄 Spin up ready-to-code, disposable dev environments on your own servers. Self-hosted alternative to Gitpod and Github Codespaces.

headscale. An open source, self-hosted implementation of the Tailscale control server

farfalle. 🔍 AI search engine - self-host with local or cloud LLMs

vproxy. A high-performance HTTP/HTTPS/SOCKS5 proxy server

abi-cafe. Pair your compilers up at The ABI Cafe!

rust-rpxy. A simple and ultrafast http reverse proxy serving multiple domain names and terminating TLS for http/1.1, 2 and 3, written in Rust

Bend. A massively parallel, high-level programming language

borgo. Borgo is a statically typed language that compiles to Go.

taxy. A reverse proxy server with built-in WebUI, supporting TCP/UDP/HTTP/TLS/WebSocket, written in Rust.

kv.js. ⚡️ Advanced in-memory caching for JavaScript

multiline-ini. The first javascript INI parser supporting multiline strings.

gleam. ⭐️ A friendly language for building type-safe, scalable systems!

pingora. A library for building fast, reliable and evolvable network services.

memos. Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.

pkl. A configuration as code language with rich validation and tooling.

yazi. 💥 Blazing fast terminal file manager written in Rust, based on async I/O.

actix-web. Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.

FlyingCarpet. Cross-platform AirDrop. File transfer between Android, iOS, Linux, macOS, and Windows over ad hoc WiFi. No network infrastructure required, just two devices with WiFi chips (and optionally Bluetooth) in close range.

rspack. Fast Rust-based bundler for the web with a modernized webpack API 🦀

the-spamton-quote-database. [The Smooth Taste Of] NEO

let-engine. game engine

zustand. 🐻 Bear necessities for state management in React

mhv. mhv is a minimalist hexadecimal viewer.

sozu. Sōzu HTTP reverse proxy, configurable at runtime, fast and safe, built in Rust. It is awesome!

log4you. 📃 A simple library for logging

typst. A markup-based typesetting system that is powerful and easy to learn.

english-lang. The English Programming Language

spacedrive. Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.

container2wasm. Container to WASM converter

git. Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.

colored-macro. A macro to make colored text in the terminal using XML-like syntax

cotton. A package manager for JavaScript projects. `cotton install` runs faster than `rm -rf node_modules`.

TabStats. Displays Player's Hypixel Statistics in Tab

vmcli. A set of utilities (vmcli + vmctl) for macOS Virtualization.framework

maid. Fast local task runner for project scripts, dependencies, and cached build steps.