Win a free Wii in the [Opticks Open Source Programming Contest](http://opticks.org/confluence/display/opticksSDK/Opticks+Open+Source+Programming+Contest) by writing an Opticks extension in C++, Python, or IDL. I'm not familiar with [Opticks](http://opticks.org/confluence/display/opticks/Welcome+To+Opticks), but it looks like an ENVI competitor:

> Opticks is an expandable remote sensing and imagery analysis software platform that is free and open source.