XM, short for XSLT Make, is a lightweight content management and publishing solution based on XML and XSLT. XM Runner lets you run XM from within the Eclipse platform. It allows you to edit XML documents and run them from the same environment.
The product is distributed as open-source under the Artistic License. A copy of which is available from ananas.org.
You can download the latest version of XM and find more information on this project at ananas.org/xm.