Wavacity : A free and open source audio editor for the web derived from Audacity
Flowplayer : Flowplayer is a beautiful and minimalistic, yet full-featured HTML5 video player that lets your video be the star of the show. Supports all devices.
Lemmy : Lemmy is a selfhosted social link aggregation and discussion platform. It is completely free and open, and not controlled by any company. This means t...
Luckysheet : Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
Petri : Perti is Wix’s holistic experiment system, it covers the lifecycle of product experimenting including A/B tests and feature toggles.
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.