LogicLike - Improve logical thinking through engaging brain games
Bitsbox - Monthly code projects for kids
Dualnback.works - Dual N-back is a specific brain training exercise, that's been shown by research - it might improve fluid intelligence.
Kano - The educational computer and coding kit for all ages
JobFlare - Brain games for job seekers
Robo Wunderkind - Coding and robotics made easy for kids 🤖