html editor

you can create simple animations with Curly. (was Cartoon Editor)

PhotoGPSEditor is an easy to use meta-data editor for photo files.

PatentCog is a patent specification editor for professional patent writers

Text editor allows combining documents as a workbook.

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.

TextForge is a text editor for Mac OS X