The Orangevolt XSLT Plugin for Eclipse provides XSLT support to the Eclipse platform. It is the Eclipse-based successor of the Java/Swing-based ROXES XmlWrite XSLT editing environment. It provides many great enhancements when working with XML inside Eclipse. It implements XSLT launch configurations, XML editor enhancements, configurable XML outlines, an xpath navigator view, and more.
EPIC is a Perl IDE based on the Eclipse platform. Features supported are syntax highlighting, on-the-fly syntax checking, content assistance, Perldoc support, a source formatter, templating support, and a Perl debugger. A regular expression plugin and support for the eSpell spellchecker are also available.