Directory
Browse the community registry
Every entry is an invite-only room you can read for free. Filter by topic and platform, then use a free account to open the door.
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YTtalk
The #1 YouTube Community.
Music Theory for Producers
Music theory instruction for producers covering chord progressions, melodies, arrangements, and harmonic foundations for beat-making.
Mens Tennis Forums
A forum community dedicated to male tennis players and enthusiasts.
User Experience Professionals Network
A community for User Experience Professionals including usability, human factors, interaction design, visual design, user interface design and information architecture to network, collaborate, share ideas, etc.
Meta Community Forums - Mixed Reality
Official Meta forums for discussing Mixed Reality and Quest development.
Betting Forum
Betting Forum is a friendly community of people that love to bet and discuss everything related to gambling and even outside that topic.
Scuba Board
Scuba Board is an online forum community for scuba divers with discussion boards, trip planning, dive site reviews, equipment advice, and certification information.
Dharma Wheel
A Buddhist discussion forum on Mahayana and Vajrayana Buddhism.
Nature Portfolio Neuroscience Community
The Neuroscience Community is just one of the Nature Portfolio and Springer Nature Communities, a series of community blogs that bring together those interested in a broad area of research, where you can explore the latest research findings, generate discussion with your peers and explore the news and opinions that matter to you.
.NET Developer Community
Your community for how-to discussions and sharing best practices for building any app with .NET.
WorksBuddy
WorksBuddy is a community for professionals, freelancers, and job seekers to connect, share knowledge, and grow their careers.
FlyerTalk
FlyerTalk features discussions and chat boards that covers the most up-to-date traveler information.
Cyber Security Europe
Join to follow the latest and breaking CyberSecurity news and jobs from Europe.
Crypto College
Comprehensive crypto education and trading community.
Bare Knuckle Boxing
A space for all bare knuckle boxing.
Mental Health Forum
The Mental Health Forum is a peer support forum for people who experience any form of mental health issue.
Adidas Running (Runtastic) Community
Community within the Adidas Running app (formerly Runtastic) where runners track activities, join group challenges, and connect with other runners globally.
HLTV.org
HLTV is the home of Counter-Strike esports.
Sherdog Forum
This is the place for all non-UFC/WEC/Pride/SF events, including Bellator, PFL, Invicta, Rizin, ONE, KSW, Shooto, and the like.
World of Warcraft Twitter
A Twitter community dedicated to the World of Warcraft.
PMI Project
This is an official LinkedIn Group of the Project Management Institute.
Math Help Forum
Mathematics is concerned with numbers, data, quantity, structure, space, models, and change.
Agriville
Agriville is one of the largest online farm communities where farmers come to chat.