Batch-Notepad that can replace, insert, delete, copy text in multiple files!
Regent creates search and replace regular expression from text example.
Professional hex editor that can edit files in 4 modes: hex, bin, dec, and text.
Free
Free Hex Editor. View, Edit and Analyze Hexadecimal Data and Binary Files
Easily format, optimize, cleanup and edit source code and web pages.
PilotEdit is a powerful file editor capable of opening files larger than 400GB.
Editor for Source Code, TXT, RTF, XLS files