Future - Calendar events around the clock

Train Fitness - Automatically track your workout at the gym - hands free!

GetStream.io - APIs for the development of scalable newsfeeds and chat applications.

MoovBuddy - An exercise app for back & neck pain and joint health

Event Calendar App - A simple, easy to manage, way of displaying events

Dualnback.works - Dual N-back is a specific brain training exercise, that's been shown by research - it might improve fluid intelligence.