ElkArte is a modern, powerful community building forum software.
Open source, self-hosted forums
Publish0x is a crypto agnostic, Medium.
Saidit.net - say your truth.
Aether is a free app that you use to read, write in, and create community moderated, distributed...
A web-based forum where users submit links, pictures, posts, etc.
Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.
Neurovation.net is an idea platform that enables you to individually or collectively create, manage...
Homeland is an open-source community/forum system for business use.
Board3 is a phpBB extension enabling users to add a portal with several blocks to the front page of phpBB forums.
SocialGO enables users to create custom social networking websites.
esoTalk is a free, open-source forum software package built with PHP and MySQL.