By Deane Barker on February 8, 2004

TextDiff: A completely free file diffing tool.

File compares, a very fast compare algorithm. blank characters and case can be ignored during a compare operation, easy navigation between differences, easy two-way merging, in-place text editing, search and replace text, multiple undo/redo of text changes, generates a report of file differences…

Via LockerGnome.