Google Open Source - All of Googles open source projects under a single umbrella
Getscope - GETSCOPE is a smart, easy-to-use platform that enables you to stay in control, save more time, track progress and most important of all - keep your customers informed.
Opensource Builders - Find open-source alternatives to commercial apps
Mapus - Open source map tool with real-time collaboration
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Kalygo - Free, Open Source, Reusable Smart Contract Components