Algorithm Visualizer - Write down your algorithm to be visualized
Streaks Workout - The personal trainer that you actually want to use.
Algorithmia - Algorithmia makes applications smarter, by building a community around algorithm development, where state of the art algorithms are always live and accessible to anyone.
The New York Times - Breaking local & world news from the award-winning news platform.
The Algorithm Design Manual - Learn about designing and analyzing algorithms
Strong.app - Strenght training logger.