Dash is an API Documentation Browser and Code Snippet Manager. Dash stores snippets of code and instantly searches offline documentation sets for 200+ APIs, 100+ cheat sheets and more. You can even generate your own docsets or request docsets to be included.

MAMP PRO is the commercial, professional grade version of the classic local server environment for OS X: MAMP. Designed for professional Web developers and programmers, MAMP Pro allows easy installation and administration of their development environment under OS X.

Practice makes perfect. iReal Pro offers an easy-to-use tool to help musicians of all levels master their art. It simulates a real-sounding band that can accompany you as you practice. The app also lets you create and collect chord charts of your favorite songs for reference.