The WiKID Strong Authentication System is a highly scalable, secure two-factor authentication system. It is simple to implement and maintain, allows users to be validated automatically, requires no hardware tokens, has a simple API for application support (via Ruby, PHP, Java, COM, Python, etc.), supports multiple domains, and supports replication for fault tolerance and scalability. It also supports mutual /host and transaction authentication, wireless tokens only domains, locked tokens (to your PC), anti-keystroke logger keypad PIN entry, etc.
XWiki is a WikiWiki clone written in Java that supports many popular features of other Wikis like the Wiki syntax, version control, attachments, security, and searching, but also many advanced features like templates, database and dynamic development using scripting languages (Velocity, Groovy, Ruby, Python, PHP, and more), an extension system and skinability, J2EE scalability, an XML/RPC remote API, statistics, RSS feeds, PDF exporting, WYSIWYG editing, an Office viewer and importer, and a lot more.
Nuxeo Platform provides a framework and set of components to address document management and collaboration needs, including metadata/taxonomies, versioning, lifecyle management, workflow, relations, searching, reporting, transformation, auditing, and retention. Its flexible extension system, based on OSGi, allows developers to quickly configure and extend the platform by creating new components. Its default Web user interface, based on the JSF standard, uses AJAX to create a pleasant user experience. It can also be accessed by a rich client interface through the use of Web services, for instance using the Eclipse-based Nuxeo RCP rich client platform.