Penpot : Penpot is the first open-source design tool for design and code collaboration. Designers can create stunning designs, interactive prototypes, design s...
Zulip : Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conve...
Sonic Pi : Sonic Pi is a new kind of musical instrument. Instead of strumming strings or whacking things with sticks - you write code - live.
Sonic Pi is a compl...
Ossia : A free, open-source, cross-platform intermedia sequencer for precise and flexible scripting of interactive scenarios.
Control and score any OSC-compli...
Flutter : Flutter is Google’s mobile UI framework for crafting high-quality native interfaces on iOS and Android in record time. Flutter works with existing cod...
CryptoZombies is a free, open source, interactive code school that teaches you to build games on Ethereum. The course is designed for beginners to Solidity and starts off with the absolute basics.