Nacho Analytics - View any company's analytics
Google Open Source - All of Googles open source projects under a single umbrella
ChatWhale - Gamify your customer communication and loyalty rewards
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Social Insider - Get an inside view of your competitors' Facebook activity
Open Source @IFTTT - A collection of IFTTT OSS projects.