GitSpo - Measure & engage your open-source community
Hackr.io - There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.
Devo - Devo delivers real-time operational & business value from analytics on streaming and historical data to operations.
Google's Python Class - Assorted educational materials provided by Google.
Ruby Toolbox - Explore and compare open source Ruby libraries
A Byte of Python - A Byte of Python is a Python programming tutorial and learning book that teaches you how to program with the Python programming language.