Collaba is a multimedia collaboration and communication server built to provide digital work spaces to virtual educational, corporate, and government communities. It features secure email (Web, POP3/SMTP, crypto, anti-spam), online forums (Web, RSS, NNTP, podcast), blogs (Web, RSS, podcast), multimedia chat (text, whiteboard, extendable tools, multimedia panel, etc.), personal and group calendering, an address book, bookmarks, Web space and an online Web page editor, file services and CMS (Web, WebDAV, FTP, SMB, CIFS, anvi-virus API, and ClamAV support), digital portfolio, dynamic news board, directory access, support for multiple independent communities on one server, Single-Sign-On features (built-in support for LDAP, CAS, JAAS, SMTP-Auth and more, powerful developer API), full online server management, anti-spam (RBL and filters), centralized management with LDAP directories, Web publishing over HTTP and HTTPS, and much more.
Support for Zoho, a powerful on-line office suite, significant performance and stability improvements, an enhanced Single-Sign-On expansion API, and an improved built-in CAS authentication server. RSS feeds can now be displayed directly in the Bookmarks module. Multimedia blog attachments now displayed in-line. Support for YouTube, GoogleMaps, and other special objects was improved. Support for Mozilla Sunbird, Mozilla Thunderbird+Lightning, and others was added. LDAP synchronization performance was improved on high-traffic sites. There were hundreds of other changes.