Particlescape - Particlescape app lets you create stunning patterns at your fingertips.
CSE Classroom Manager - Technology for Education
TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.
NetSupport School - NetSupport School supports a teacher with a wealth of dedicated assessment, monitoring, collaboration and control features.
Fluid dynamics - Fluid dynamics developed and published by Reinder Nijhoff.
Class Charts - Class Charts is super fast behaviour management software, creating school seating plans in seconds.