eportfolio
collect, reflect on and share your achievements and development online, in a space you control
networking
create online communities and social network through Groups, Blogs and Forums
open source
built on open source and open principles. Interoperate out of the box with Moodle
Zimbra is open source server and client software for messaging and collaboration - email, group calendaring, contacts, and web document management and authoring. The Zimbra server is available for Linux, Mac OS X, appliances, and virtualization platforms. The Zimbra Web 2.0 Ajax client runs on Firefox, Safari, and IE, and features easy integration / mash-ups of web portals, business applications, and VoIP using web services.