i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
NWEA Assessments - NWEA Assessments creates a personalized assessment experience by adapting to each student's learning level.
Xmonad - xmonad is a dynamically tiling X11 window manager that is written and configured in Haskell.
ALEKS - ALEKS is a web-based artificially intelligent assessment and learning system that uses adaptive questioning to accurately determine exactly student knows.
awesome - A dynamic window manager for the X Window System developed in the C and Lua programming languages.
iSpring QuizMaker - iSpring Quiz Maker is easy-to-use quiz software. Create interactive quizzes and surveys in HTML5 & Flash and embed them in a website or publish for any LMS!