LogicLike - Improve logical thinking through engaging brain games
Cowboy - Small, fast, modular HTTP server written in Erlang.
Dualnback.works - Dual N-back is a specific brain training exercise, that's been shown by research - it might improve fluid intelligence.
Uber Bike - On-demand electric bikes for commuting and exploring
JobFlare - Brain games for job seekers
Spin - A station-less bikeshare. Pickup and drop off anywhere. 🚲