apps
ad-aware (removes any spyware from your computer | for free | engl.)
antivir (virus protection for Windows | for free | ger.)
google earth (maps the earth by the superimposition of satellite images | for free | inter.)
icq (one of the most popular instant messaging programs | for free | engl.)
itunes (one of the most popular media players | for free | engl.)
leo (a quite good online dictionary; from English to German and more | for free | engl.)
media convert (converts any docs, pics, movies, ... | for free | inter.)
mozilla firefox (often considered to be the world's best browser | for free | inter.)
open office (a superb alternative to Microsoft Office | for free | engl.) 
paint (a fantastic photo editing software | for free | engl.)

nus...
deutsche startups (...about German startups based on d internet | ger.)
mac rumours (...about sprouting apple seeds | engl.)
art
cambridge in colour (shows marvellous pics of Cambridge | engl.)
mexivista (stylish wallpapers for free | ger.)
education
euro sch├╝lersprachreisen (providing language vacation | ger.)