Social software -
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Social software - Subtopics
Social networking services
Virtual communities
IRC
Bulletin board system software
Instant messaging clients
Business chat software
Collaborative software
Mobile social software
Social media management platforms
Instant messaging server software
Project hosting websites
File hosting
Virtual learning environments
Social cataloging applications
Online text-based role-playing games
Blog hosting services
File sharing software
Blog software
Wiki software
Massively multiplayer online games