Invent With Python - Learn to program Python for free
WebShell - Bundle web app to OS X app without coding
Mode Python Notebooks - Exploratory analysis you can share
Ionic Portals - Portals is a supercharged iOS and Android Web View component for adding web-based experiences to native mobile apps.
Learn Python The Hard Way - One of the best guides to learn Python & coding in general
Dropover - Mac app for easier drag & drop