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.
StartWrightTM (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.