Online learning >
An offline version of Khan Academy.
A free lightweight solution providing high-quality education where you need it most.
Though this software is unofficial, it is known of and approved by the official website.
disliked - because it has no concept of building a larger topic of things to work on, and showing an easy path to progress through them. Needing to pick through a large number of topics, sub-topics and quizzes and then manually and repeatedly going back into that list is inexcusably frustrating.
A simple python-only volume control and OSD.
Nothing fancy, and nothing difficult. There's no configuration, which is both a good and a bad thing.. but I can live with the developer's defaults. No extra dependencies to speak of. Just Python.
cplay-ng (Python 3)
andreasvc/cplay (Python 2.6+)
A commandline music player.
One of the best out there. It's extremely obvious to use.
Combines rsync with diff storage, so one can retrieve a backup from any point in time.
My initial impression was "Works wonderfully well.. very easy to use, very nice. Would be nice to have a GUI tool for recovery purposes though, but oh well." .. but my 2009-04-01 glance was a flop.
A python script which is used to update dynamic DNS services.