A freely available Open Source authoring application to assist teachers in the publishing of web content.
Tutorial: using eXe learning (in Spanish!)
Watch this brief video introduction to know what eXe learning is about.
Free lesson construction software to build a teaching website; includes crosswords, gap-fills, cloze tests, matching, multiple choice and jumbled exercises.
Have a look at this Hot Potatoes 6 Tutorial.
An Open Source sound editor and recorder suitable for podcasting.
Audacity® is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems. Choose your option and download it here.