Sign GitHub Repositories (2026) · Open Source Tools

Websites, web apps, portfolios that look like desktop operating systems

Track your caffeine. Protect your sleep. A privacy-first Material 3 Expressive Android app that shows your active caffeine level in real time and tells you if that late espresso will cost you tonight.

A simple Material YouTube Music player for Android made in Kotlin and Jetpack Compose

Data-Driven Astrology 💫 Kerykeion is a Python library for astrology. It generates SVG charts and extracts detailed structured data for birth charts, synastry, transits, composite charts, and more.

A modern, cross-platform OpenPGP tool with a unique dual-engine core: switch freely between the battle-tested GnuPG and a modern, memory-safe Rust rPGP backend. It makes encryption, signing, and key management easier and more trustworthy in everyday privacy workflows.

pyHanko: sign and stamp PDF files

Website for Meshery

SEED Design System

This tap actively maintains updated casks, hosts apps removed from homebrew/cask due to gatekeeper, and welcomes unsigned releases from community developers.

Svelte implementation of the Carbon Design System

The open source alternative to Framer, Webflow, Figma. A website builder where you design on a pixel-perfect visual canvas, create components, animations, manage cms and translations. Export to Next.JS code. Use our cloud or host locally on your computer.

OpenELIS Global — open-source Laboratory Information System (LIS/LIMS) for clinical and public-health labs in 25+ countries. Java/Spring + React (Carbon), FHIR R4 native, Docker.

A Fork of Rikkahub with an overhauled UI and feature additions

Bring the native Dynamic Island experience to HyperOS. Bridges android notifications into HyperIslands.

A Material Design 3 Expressive Digital Wellbeing App

A smallish Android RSS reader

This app demonstrates the controls available in WinUI and the Fluent Design System.

🐼 Universal, Type-Safe, CSS-in-JS Framework for Design Systems ⚡️

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org

Google's Material Design in XAML & WPF, for C# & VB.Net.