A circuit simulator with graphical user interface (GUI)
A very efficient tutor.
A free GNU/GPL educational digital photogrammetric workstation
Trains quickly score reading and piano playing (MIDI-keyboard)
a Bible study tool
Khan Academy viewer.
Simulate high power rocket flights with splash down plots
Tools to support the learning of the C programming language
Student examination tool with math expressions parsing capabilities
Japanese vocabulary and kanji study tool with built in dictionary
Autocondat Business Framework