jEdit is a programmer's text editor written in Java, being developed by Slava Pestov and others. Some of jEdit's features include: syntax highlighting for 70 languages, built-in macro language (BeanShell), auto-indenting of source code, folding (indent and 'marker' based), word wrap, unlimited undo/redo, extensible plugin architecture, with more than 40 plugins available, highly configurable and customizable.