PSA Links 

Project Management Institute
The world's largest leading not-for-profit project management professional association.

PMForum
An on-line resource pool for project management information.

Gantthead.com
The experience bridge that fills in the gaps - providing help to project managers in a myriad of ways.

Capterra
The enterprise software center

allPM.com
The Project Manager's Homepage

Analysts 

Aberdeen Group is a leading IT market analysis and positioning services firm that helps Information Technology vendors establish leadership in emerging markets. Founded in 1988, we are headquartered in Boston, Massachusetts, and have research and consulting divisions in Palo Alto, California; Fort Collins, Colorado; and Amsterdam, the Netherlands.

Forrester Research is a leading emerging-technology research firm, analyzing technology change and its impact on business, consumers, and society. Forrester's "Whole View" provides clients with a comprehensive set of research that reveals how technology change affects their customers, drives their business strategies, and dictates their investment in technology. Clients receive continuous research and analysis through Forrester eResearch® Reports, an array of Advisory Services, Assessment Tools, and topical Events. 

Gartner, Inc. is a research and advisory firm that helps more than 11,000 clients understand technology and drive business growth. Gartner's divisions consist of Gartner Research, Gartner Consulting, Gartner Measurement and Gartner Events. Founded in 1979, Gartner, Inc. is headquartered in Stamford, Connecticut and consists of 4,300 associates, including 1,200 research analysts and consultants, in more than 90 locations worldwide.

META Group is a leading research and consulting firm, focusing on information technology and business transformation strategies. Delivering objective, consistent, and actionable guidance, META Group enables organizations to innovate more rapidly and effectively. Our unique collaborative models help clients succeed by building speed, agility, and value into their IT and business systems and processes.