www.skype.com

Free powerfull communication tool for internatial cooperation

www.slideshare.net

Presentations online, free sharing, upload and download

www.mediawiki.org

Internet application for community projects and education

www.wikipedia.org

Encyklopedia based on wiki type internet application

www.youtube.com

Famous video server, very usefull for education as well

www.urazydeti.cz

Child injury prebention site with e-learning component in czech language

Study materials for free download