Elevate - Elevate is an award-winning brain training tool designed to build communication and analytical skills.
LogicLike - Improve logical thinking through engaging brain games
Peak - Peak is the automated way to keep track of what everyone is working on.
JobFlare - Brain games for job seekers
Brain Workshop - Brain Workshop is a open-source version of the dual n-back brain training exercise.
Dualnback.works - Dual N-back is a specific brain training exercise, that's been shown by research - it might improve fluid intelligence.