Future Me - Send an email to your future self
Bullet - Share captioned video snippets of podcasts from any app
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.
Box2D - A 2D Physics Engine for Games
Letter to my future self - Letter to my future self is a prominent email scheduling service that gives you the opportunity to create a letter with goals and thoughts for your future self and schedule a date for sending it.
Matali Physics - Matali Physics is an advanced, multi-platform, high-performance 3d physics engine intended for games, virtual reality and physics-based simulations.