Open Source Java Message Board Software

Pebble is a lightweight, open source, Java EE blogging tool. It's small, fast and feature-rich with unrivalled ease of installation and use. Blog content is stored as XML files on disk and served up dynamically, so there's no need to install a database

MGB is a free OpenSource Guestbook completely written in PHP, using JavaScript and a MySQL Database. Easy to use, flexible and customizable with templates to make it fit 100% to your homepage.

mvnForum is a open source, powerful, easy to use/setup bulletin board (forum) built on the J2EE technology(Jsp/Servlet) and compatible with any Servlet Container which supports Jsp 1.2 and Servlet 2.3. The official home page is www.mvnForum.com

JForum is a powerful and robust discussion board system implemented in Java. It provides an attractive interface, an efficient forum engine, an easy to use administrative panel, an advanced permission control system and much more. Built from the ground up around an MVC framework , it can be deployed on any Servlet 3.1 container or application server running at least Java 8, such as Tomcat, Jetty and JBoss/WildFly. Its clean design and implementation make JForum easy to customize and extend. There is extensive documentation of all aspects of the software at https://sourceforge.net/p/jforum2/wiki2/Home/ Source code and a beta build are available for running JForum on JakartaEE 10 environments such as Tomcat 10.1; it requires Java 11. This has not been tested as extensively, but does not have any known bugs. It is freely available under the BSD license, and has recently been awarded the SourceForge "Community Choice" badge.

CURE provides a web-based environment for distributed collaboration. It was designed for lerning groups but is now also used to support busines collaboration. It combines wiki ideas with mailing lists, shared folders, chats, and room metaphors.

JForum is a complete, powerful and multi-threaded forum software. Features include unlimited forums and categories, topic watching, email notification, Private Messages, user ranking, advanced permission schema and moderation options and much more.

MimerDesk is a Web-based groupware environment designed for a wide variety of uses such as personal management, computer-supported collaborative learning, carrying out projects, and setting up communities.

NFP.Net is a web portal system which provides communication and information functionality to a closed user group. NFP.Net is based on JSP/Java Servlets and backed by a database.

The Internet Censor is a multi-platform, Internet clustering program, for which the resulting data will be used in the creation of a non-profit content-filtering Internet Search Engine for children.

A web-based system to assign a set of known persons anonymous ids, such that every person only receives one id. The ids cannot be mapped to the corresponding persons afterwards.

Blogunity is a community blogging software written in Java.

This forum software is a Java based discussion forum, that uses JDBC to store data in a database. This discussion forum is available in different languages and has features for easy integration into a site and easy administration of forum.