The Community is a Free Software initiative building a unified communication and collaboration system that you can install on your own server. If you don't want to run your own server, consider using hosted Kolab like offered by

Community Tweets

Brasiliens Parlament verabschiedet "Marco Civil da Internet" - eine Art Grundrechtekatalog fürs Netz
#Piraten fordern fairen Prozess für Pirate-Bay-Mitgründer und politischen Gefangenen »Anakata«
The new Kontact 4.13 by the @kdecommunity supports the Kolab Cloud Storage.
Zürich airport FTW. 25 mins despite solid traffic from train to plane, including picking up coffee. En route London with fun agenda ahead.