Plugins for the Code::Blocks IDE to support interpreted languages. File Manager and Tools+ plugins are now part of Code::Blocks contrib. Code in SVN. Active development is at github.com/spillz/codeblocks-python. SVN here is no longer maintained.
The Make Controller is an open microcontroller platform for Makers of all kinds, by MakingThings. Note - current code is hosted on the MakingThings site at https://www.makingthings.com/svn
XML-RPC can save Flash and Flex developers hours of work. It enables ActionScript to transparently communicate with blogs like WordPress and Blogspot. It also works with frameworks that support XML-RPC like Plone, Zope, and Drupal.