Kalam Labs - Twitch for Science
Literal - Track your reading and discover your next favourite book
RunaWFE - RunaWFE Free is a free Open Source BPMS (business process management system), which serves to optimize and automate business processes (for Windows, Linux, Mac OS).
Readup - Track and improve your online reading habits.
Litnerd - The Pixar for education, reading program for K-5 schools
Littlecodr - Insanely fun card game that teaches kids the basics of code