live-doc-viewer
Fetch documentation for word under cursor automatically. Can use any command line program similar to 'pydoc3' or 'man'.
Live documentation viewer for atom
Automatically fetches documentation for word under text cursor. Updated as you type.
By default it uses 'pydoc3' to look up documentation for python, 'ri' for ruby, and 'man' for everything else. Other programs can be set up in the atom's settings dialog.
