Global (Free)

  1. actKM Forum - Discussion List
  2. APQC KM Community
  3. Cognitive Computing Consortium
  4. Corporate Knowledge Strategies
  5. Gurteen Knowledge Community
  6. ICKM (International Council on Knowledge Management)
  7. INSNA (International Network for Social Network Analysis)
  8. ISKO (International Society for Knowledge Organization)
  9. KM4Dev community of international development practitioners - Discussions
  10. SIKM Leaders - Monthly calls the third Tuesday of every month from 11:00 AM to 12:00 PM ET
  11. Special Libraries Association (SLA) Knowledge Management Division
  12. Taxonomy Community of Practice

Global (Fee-based)

  1. APQC
  2. Community Roundtable
  3. Consortium for Service Innovation
  4. CIKM (Council on Information and Knowledge Management)
  5. Digital Workplace Council
  6. Knowledge & Collaboration Council
  7. Knowledge & Information Professional Association (KIPA)
  8. Knowledge Leaders Council
  9. SocialMedia.org
  10. Social Media Club
  11. Social Media Council

 Community Management

  1. Admin Zone: Managing an Online Community
  2. CMX Hub
  3. Community BackChannel
  4. Community Manager, Advocate, and Evangelist
  5. Community Roundtable
  6. e-mint: Association of Online Community Professionals
  7. Feverbee
  8. My Community Manager and Google+
  9. Online Facilitation

 By Platform

  1. Facebook Groups
  2. Google+ Communities
  3. LinkedIn Groups
  4. Yahoo! Groups

 Local

  1. Asia: KM Global Network
  2. Australia
  3. Belgium: SuperCoP KM Belgium
  4. Canada: CIKM (Council on Information and Knowledge Management)
  5. Colombia: KM Medellín
  6. Germany: GfWM: Gesellschaft für Wissensmanagement (Society for Knowledge Management)
  7. Hong Kong
  8. India
  9. Japan: KM Society of Japan
  10. Singapore: Information & Knowledge Management Society (iKMS)
  11. Switzerland: Swiss Knowledge Management Forum (SKMF)
  12. Thailand
  13. UK
  14. US
  15. Vietnam: Vietnam Knowledge Management Club