Sign GitHub Repositories (2026) · Open Source Tools

Cross-platform & feature rich iOS/iPadOS/tvOS sideloading application. Formerly known as PlumeImpactor.

Free and open-source software that allows users to set animated desktop wallpapers and screensavers powered by WinUI 3.

Reicon — Open-Source Icon Library for Designers & Developers

Community-built comprehensive 2D content creation appplication for graphic design, digital art, and interactive real-time motion graphics powered by a node-based procedural graphics engine

A feature-packed Android media downloader. View all native stream formats, download full playlists, manage batch queues, and much more

☁️ Nextcloud server, a safe home for all your data

Digital logic design tool and simulator

A material you designed app for your ADB needs

Lightweight cross-platform RF circuit + electromagnetic simulator. DC, S-parameters, harmonic balance, loadpull. Also supports 2D and 3D layout and design and electromagnetic MoM, FEM, FDTD + thermal FEM.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Build a system, load it until it breaks, and watch why. A system design simulator for learning distributed systems.

A Material 3 Expressive Music and Video app for Android with YT Music Support

Free, simple, and intuitive online database diagram editor and SQL generator.

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

An enterprise-class UI design language and React UI library

AI-powered Storybook story generator — works with any framework, any design system, any LLM provider

Free on-device iOS/iPadOS application manager/installer, using certificates part of the Apple Developer Program.

Art and animation, written as code. Illustrations, loops, interactive web art, launch-videos and scored films in dozens of styles, identical on every render.

The Open Source DocuSign Alternative.