doc2dash is an MIT-licensed extensible Documentation Set generator intended to be used with the Dash.app API browser for OS X or one of its many free clones for all relevant platforms.
If you’ve never heard of Dash.app, you’re missing out:
together with doc2dash it’s all your API documentation at your fingertips!
doc2dash’s documentation lives at Read the Docs, the code on GitHub.
It’s tested on Python 2.7, 3.4+, and PyPy.
Both Linux and OS X are tested although certain features are only available on OS X.