JEdit

jEdit is a powerful open source text editor, written in Java.

Versions 4.2 and onwards feature built-in syntax highlighting support for UnrealScript.

jEdit supports an incredible number of plugins, including function browsing, error parsing and diffs.

Useful links:

• http://www.jedit.org
• http://plugins.jedit.org (plugins can be downloaded from within jEdit)
• http://community.jedit.org