-aggregator
atom
blog
calendar code collaboration
development
events
fb5 feed feeds fhpotsdam floss framework
gis git
ical identi.ca isci11
java
katastrophen
lifestream
mashup microblogging
news
online openid opensource
plugins
rss ruby rubyon rubyonrails
semanticweb socialmedia software swiftly syndication
themes tools twitter
ushahidi
visualisation
web web2.0 webdev wordpress