itch.io - An online game marketplace and community.
Fitbit Ace - Fitness fun for kids
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
Toymail Talkies - Toys that connect people
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Octopus by Joy - 1st icon-based watch that teaches kids good habits and time