A full featured hexadecimal editor

 Bless is a binary (hex) editor, a program that enables you to edit files
 as a sequence of bytes written for the GNOME Desktop. Main features are:
 .
   * Efficient editing of large data files.
   * Multilevel undo - redo operations.
   * Customizable data views.
   * Fast data rendering on screen.
   * Multiple Tabs.
   * Fast Find and Replace operations.
   * Conversion Table.
   * Advanced Copy/Paste capabilities.
   * Multi-threaded search and save operations.
   * Export to text and html (others with plugins).
   * Extensibility with Plugins.