Mightybell

Build a community and a business on mobile

Directly

Directly provides on-demand customer service apps.

Discourse is an open source discussion platform built for the next decade of the Internet.

FUDforum is a free and open source Internet forum software

Modern discussion boards for your audience.

Forumbee offers community forums for discussions, feedback and Q&A.

Make any website social

Memeni is an online community engagement platform that helps brands and organizations launch their own branded mobile app & web community.

MyBB is a discussion board software that runs on PHP and MySQL

SocialGO enables users to create custom social networking websites.

Build an engaging community forum using Vanilla’s modern cloud forum software.

Intuitive. Social. Engaging. Fast. XenForo brings a fresh outlook to forum software.

Communities at Zimbra.

esoTalk is a free, open-source forum software package built with PHP and MySQL.

jforum is a Java-based discussion board software.