KM and Collaboration Roundup

Lucid Imagination
Lucene/Solr
Open source enterprise search.

M-Files
M-Files Professional
Document management in the cloud.

Microsoft
SharePoint 2010
Extensive developer resource and out-of-box collaboration (and more) tool.

Moxie Software
Employee Spaces; Customer Spaces
Enterprise social software and customer contact social software.

NewsGator
Social Sites 2.0
Social software suites with SharePoint integration.

OpenText
ECM Suite 2010
Content life cycle, customer engagement and transaction management.

Rivet Logic
ECM solutions
Open source content, collaboration and community management.

Smartlogic
Semaphore
Open source semantic search platform.

SpringCM
Cloud Enterprise Content Management
Web-based content management.

Vivisimo
Velocity Platform
"Information optimization."

Wall Street Network
WSN Insight
Content-enabled vertical application (CEVA) for Microsoft SharePoint.