A tool to export your JRoller blog and import it in Wordpress.com based in the instructions at
http://theholyjava.wordpress.com/2010/05/22/migrating-from-jroller-to-wordpress/

Compiled by Carlos Sanchez "carlos at apache dot org"
http://carlossanchez.eu
http://blog.carlossanchez.eu/2010/10/10/moved-to-blog-carlossanchez-eu/

An improved JRoller export script
http://www.jroller.com/kame/entry/export_and_backup_your_jroller
Initial version by Damien Bonvillain kame at cinemasie.com

plus a Groovy script to convert it to Wordpress format by Jakub Holy
http://theholyjava.wordpress.com/2010/05/22/migrating-from-jroller-to-wordpress/