check editor

XMLSpear is a free XML editor with a great real-time validation feature.

Jaxe, your XML editor.

iTexMac is a teTeX front end, text editor dedicated to TeX, and a PDF viewer.

Taggerwocky is an easy to use tag editor for MP3 audio files.

The LCedit+ lighting editor is the human interface and supervisory program.

Arabic text converter & editor.

LightWayText is a hybrid, reliable, and powerful text editor.

TextForge is a text editor for Mac OS X

PhotoEdit is an image editor with cool effects and painting tools

iText is a cute and fast, yet reliable text editor