jforum
jforum is a Java-based discussion board software.
15 Alternatives To jforum
Board3
Board3 is a phpBB extension enabling users to add a portal with several blocks to the front page of phpBB forums.
Directly
Directly provides on-demand customer service apps.
Discourse
Discourse is an open source discussion platform built for the next decade of the Internet.
FUDforum
FUDforum is a free and open source Internet forum software
Flarum
Flarum is the next-generation forum software that makes online discussion fun. It’s simple, fast, and free.
Forumbee
Forumbee offers community forums for discussions, feedback and Q&A.
Mightybell
Build a community and a business on mobile
MyBB
MyBB is a discussion board software that runs on PHP and MySQL
SocialGO
SocialGO enables users to create custom social networking websites.
TinyBB
TinyBB is an open-source forum software written in PHP, MySQL, and HTML.
Vanilla Forums
Build an engaging community forum using Vanilla’s modern cloud forum software.
XenForo
Intuitive. Social. Engaging. Fast. XenForo brings a fresh outlook to forum software.
Zimbra Communities
Communities at Zimbra.
esoTalk
esoTalk is a free, open-source forum software package built with PHP and MySQL.