Modifying group overview/community overview/portal main page with widgets. Especially impressed with user-configurable widgets such as spaces, i.e. user only sees the spaces he is allowed to see in the widget.
Creating wikis as individual documents, instead of the complex wiki-entities in various other systems.
Jive Software, part of the Aurea family of customer experience solutions, provides the gateway to an organization's most important assets – its knowledge and people. Jive's interactive intranet solution promises to connect people, information and ideas to help businesses outpace their competitors. The vendor says the product has more than 30 million users worldwide across every industry, and is consistently recognized as a leader by top analyst firms.