Downloadable Educational Freeware

Artha is a free English thesaurus that works off-line and is based on WordNet. It is available for GNU/Linux and Microsoft Windows. For a given word, the possible relatives shown by Artha includes Derivatives, Synonyms, Antonyms and many more. 




Seterra is a Windows-based application that makes geography interesting for students, and presents geographic facts  in a format that is easier to remember. It is like a free map quiz game, but it actually serves as a good educational tool for both the classroom and the home. 




and many others at Educational Freeware