KSalomon is a vocabulary training project for KDE; based on the Leitner Learning System - a card index box in which you can drop several vocabulary files.
sTeam provides a technical platform which allows groups of students, lecturers, and any other groups to construct and arrange their individual and cooperative learning and working space; consists of an object-oriented server connected to a database.
Interact is an online learning and collaboration project that was developed by the Christchurch College of Education; a free alternative to the likes of WebCT and Blackboard.
The Kolmogorov Project provides tools for machine perception and tutorials for machine learning, machine perception, and statistics; supports fast face detection in images, and more.
jBNC is an openly developed project for training, testing, and applying Bayesian Network Classifiers; classifiers have been shown to perform well in a variety of artificial intelligence, machine learning, and data mining applications.
KLearnNotes2 is a project which assists with the learning of the names of music notes; features intelligent questioning that focuses training on weak points.