Very useful, but fix licensing
This is a great app which has sped up my development considerably. The licensing is a pain though, as it doesnt remember when you purchased it, and you need to upload a license file which it isnt very clear how to get to (I still dont know).
bendman2 about
Dash 3 - API Docs & Snippets. Integrates with Xcode, Alfred, TextWrangler and many more.