Tasrix - Manage your tasks and monitor your productivity
Bullet - Share captioned video snippets of podcasts from any app
Taskwall - Remote teams and Individuals use Taskwall to stay organized with their projects, tasks, and team in a powerful application that adapts to the individual needs.
Box2D - A 2D Physics Engine for Games
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Matali Physics - Matali Physics is an advanced, multi-platform, high-performance 3d physics engine intended for games, virtual reality and physics-based simulations.