Apache Roller

A blog or weblog is a kind of public diary in which we write on various subjects that we want to publish and share with others, or in which we comment on ideas expressed by others. Roller is a multi-user and full-featured group blog server that allows users to create and maintain their own blogs and publish their ideas. Essentially, it is a Java Web application that should be able to run on almost any Java EE server such as GlassFish, Tomcat or JBoss and on relational databases such as MySQL, Postgres, etc. It was first written by Dave Johnson in 2002, for an article on open source development tools published in a tech magazine.

Roller is useful in organisations where it can support thousands of users and blogs, and hence it can be a useful tool for knowledge sharing. As a blogging tool, it is necessary to have a feature to moderate comments and manage spam prevention; it is also necessary to have complete control over the styling of the blog with the use of templates. Roller provides these features. A pluggable cache and rendering system and a built-in search engine that indexes weblog entries are also salient features of Roller. Oracle Blogs, NetBSD Project Blogs, Apache Blogs, Mervpolis Blogs, JWorld Taiwan, DZone's JRoller, Carleton University Library (Ottawa, Canada), etc, use Roller. There is a very good tutorial available to deploy Apache Roller on a Red Hat OpenShift public PaaS at http://web-gmazza.rhcloud.com/blog/gmazza/entry/ apache-roller-on-openshift.

Website: http://roller.apache.org/