TargetProcess (Popularity: )
http://www.targetprocess.com A web-based Agile project planning and management tool (supports Extreme Programming and other methodologies). [Freeware]
Michael Vizdos (Popularity: )
http://www.michaelvizdos.com About author (co-author of "The Enterprise Unified Process: Extending the Rational Unified Process."), current information within the agile community.