Tigase.org
Xmpp.org
Xmpp.net
Psi-im.org
Gajim.org
Nuxeo.com
Alfresco.com
Egroupware.org
Group-office.com
Cynapse.com
Teamlab.com
Collab.net
Fengoffice.com
Projectpier.org
Open-xchange.com
Twiki.org
Mindtouch.com
Stalker.com
Xwiki.org
Xwiki.com
Octro.com
Tine20.org
Liferay.com
Question2answer.org
Sakaiproject.org
Gitlabhq.com
Precurio.com
Conjoon.org
Zimbra.com
Teambox.com
Openstudy.com
Activecollab.com
Bigbluebutton.org
Osqa.net
Project-open.org
Socialsourcecommons.org
Openarchitecturenetwork.org
Kolab.org
Foswiki.org
Sparkleshare.org
Todoyu.com
Vmukti.com
Openplans.org
Dimdim.com
Openwear.org
Abhinavsingh.com
Metadot.com
Opengroupware.org
Ametys.org
Cuteflow.org