ProjectManagers.net - The Social Network for Project Managers - A web site about project leadership and social media.

Project Shrink (blog.softwareprojects.org) - A web site about project leadership and social media.

EdWel Programs (edwil.com) - Project Management Training.  Project management, risk management, and PMP Certification Exam Prep courses.

StartWright^TM (startwright.com) - is the leading reference site for the information needs of information technology project managers and support staff traveling to, starting up, and working on remote, dispersed or virtual projects.

allPM.com - the IIL Knowledge portal.

gantthead.com - To make IT project managers more successful.

projectmanagement.com - Articles and discussion groups about IT, Contruction and Finance Project Management.

Project Reference (projectreference.com) - Formerly a Columbia University Reference Site.

Project Management - Wikipedia.