ein sehr ineressantes firefox plugin: Zotero is an easy-to-use yet powerful research tool that helps you gather, organize, and analyze sources (citations, full texts, web pages, images, and other objects), and lets you share the results of your research
Songbird is a desktop media player mashed-up with the Web. Songbird is committed to playing the music you want, from the sites you want, on the devices you want, challenging the conventions of discovery, purchase, consumption and organization of music on
Do you want to know the distance from your browser to the web page links?
VRML is the Virtual Reality Modeling Language, a standard file format to display 3D models on the web.