Quadbot - Build your own Robot
Kalam Labs - Twitch for Science
Bitsbox - Monthly code projects for kids
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).
Personal Robots - Discover a new toy robot every day
Littlecodr - Insanely fun card game that teaches kids the basics of code