Vividbooks - Making kids fall in love with STEM through AR
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android
Octobo - The plush robot that leads you on STEAM learning adventures!
Forumotion.com - Create a free forum : free forum hosting, free forum skins, templates editing, chatbox, RPG mod... Choose PhpBB 2 - 3, Invision or PunBB. Create forums now!
Tinker Crate - Birchbox for STEM-themed DIY projects [for kids 9-14]
Proboards - ProBoards is a host of free forums with customer service.