jEdit is a programmer's text editor written in Java, and released under the terms of the GNU General Public License.

Some of jEdit's features include:

• Built-in macro language (BeanShell).
• Extensible plugin architecture, with more than 60 plugins available.
• Plugins can be downloaded and installed from within jEdit using the "plugin manager" feature.
• Syntax highlighting for 70 languages.
• Supports a large number of character encodings including UTF8 and Unicode.
• Auto-indenting of source code.
• Folding (indent and 'marker' based).
• Word wrap.
• Unlimited undo/redo.
• Highly configurable and customizable.
• Every other feature, both basic and advanced, you would expect to find in a text editor.