Decentralized Social Media

• Hubzilla - Decentralized Social Media Platform
  
• Streams - Decentralized Social Media Platform
  
• Socialatm - Decentralized Social Media Platform (fork of Hubzilla)
  
• Neuhub - Addons, Themes, and Widgets for Hubzilla and Streams
  

Public Service

• International Association for Possibilities & Opportunities (IAFPO)
  Helps Public Service Organizations set up Decentralized Social Media Platforms
  

Support Forums

• Hubzilla Support Forum - zotadel.net
  
• Streams Support Forum - unfediverse.com
  
• Hubzilla User Support Forum - zotum.net
  
• Neuhub Support Forum - neuhub.org
  
• Hubzilla Customization & Themes - completehostingguide.com