International Project Management Organisations

Global

• International Project Management Association  (IPMA) 
• International Association of Project and Program Management (IAPPM)
• Association for the Advancement of Cost Engineering (AACE)
• Project Management Institute (PMI) 

Asia Pacific

• Australian Institute of Project Management (AIPM)
• Japan Project Managers Forum (JPMF)
• Society for Project Managers (Singapore)
• Indonesian Society of Project Management Professionals (IAMPI)
• China Association of International Engineering Consultants (CAIEC)
• Project Management Associates (India)
• Hong Kong Institute of Project Management (HKIPM)
• Asia Pacific Federation for Project Management 

Europe

• Association of Project Management (APM)
• Institute of Project Management of Ireland (IPMI)
• The Swedish Project Management Society
• GPM Deutsche Gesellschaft fur Projektmanagement (Germany)
• Project Management Association Finland (PMAF)
• Major Projects Association (UK)
• Project Management Belgium 
• Latvian National Project Management Association New

Americas

• American Society for the Advancement of Project Management
• Project Management Institute (PMI)

Africa

• Project Management Institute of South Africa (PMISA)

Useful Project Management Sites 

• Gantthead.com - comprehensive content for IT Project Managers
• Projectmanagement.com - multi-industry site covering IT, Construction, and Finance (a joint venture between gantthead.com and Technology Associates International)
• AllPM.com - "the project managers page"
• The Standish Group - excellent selection of publicly accessible articles, especially on IT Project Success and Failure (see CHAOS)
• PM Boulevard - "the most complete online resource for professionals...working in: Program Management, Portfolio Management, Project Management"
• Project Manager's Roadmap - Easy to navigate IT Project Management Blog with career info, article links and a newsletter New
• PM Forum: Connecting the World of Project Management - Good collection of articles, and links to PM Journals New
• Project Management Source (Blog) - Project management news, software reviews and more New
• Masters in Project Management - Offering project Management degrees.

Useful Journals, Newsletters and Downloads

Project Management Journals 

• International Journal of Project Management (Elesevier)
• PM Network Online (PMI)
• PROJECT Magazine
• Project Manager Today (UK)

Downloads

• APM Body of Knowledge (download from APM UK)
• PMBOK - Download PMBOK from PMI.ORG