wxHexEditor is an open source cross-platform hex editor written in C++ and wxWidgets. It can work as low-level disk editor too. Developed by Erdem U. Altinyurt
License: Open Source
Aquamacs Emacs is a powerful, highly customizable text editor with a steep learning curve, ideal for programming and collaborative work. wxHexEditor, on the other hand, is specialized for hex editing and large files, offering a more user-friendly experience but with fewer programming features.