Open source Java blog Roller v5.0 for tomcat

Roller is a full-featured multi-user blogging platform. It was first launched in 2002. It is developed in Java language and has an exquisite design. The source code is a good learning material. It supports weblogging features such as: comment function, WYSIWYG HTML editing, TrackBack, providing page templates, RSS syndication, blogroll management and providing an XML-RPC interface. The latest version currently is 5.0.

Rollerv5.0 update instructions:

Mediabloggingfeatures
OpenIDforuserlogins
OAuthforAtomPubauthentication
Simplemulti-domainsupport
Codebaseimprovements