free hex editor

Hex editor for huge files.

Simple yet powerful hex editor and file modifier.

0xED is a native OS X hex editor based on the Cocoa framework.

Editor for working with subtitles, captions, and annotations.

Editor for Box2D and Chipmunk collision shapes.

Editor for high school and college algebra-based physics courses.

Editor for for the ICOM IC-746PRO/IC-7400

View any info about your document in hex or text.

iPalette is a small app for Mac OS X that converts colors to either hex or RGB

SQL database query tool, browser, and editor that supports all major databases