Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
The official gitter community for Komodo IDE
Tutorials walking new programmers through the process of building their first website in Python and Django
A work-in-progress, open-source MMORPG for programmers