1. RAD IDE
   PyDev：PyDev is a plugin that enables users to use Eclipse for Python and Jython development -- making Eclipse a first class Python IDE -- It comes with many goodies such as code completion, syntax highlighting, syntax analysis, refactor, debug and many others. If you want more details on the provided features, you can check here. 
   Pydev Extensions is a plugin that works with PyDev, providing many other features such as code-analysis, code completion with auto-import, a much better implementation of go to definition, remote debugging, 'quick-fixes', mark-occurrences, among others.

If you want more details, check the Pydev Extensions homepage
2.Applications with python

(to be continued)