Aba Search and Replace is a tool for replacing text in multiple files. With Aba, you can quickly correct errors on your web pages, change method names, replace banners and copyright notices. Features:
Search and Replace for Windows is a fast, easy to use grep utility for search and replace in multiple files, directories and archives. Supports grep style Regular Expressions. Script language for webmasters and programmers.
TexFinderX is a freeware tool to search and replace text inside entire folders.
TexFinderX is MacOS X, Snow Leopard, Windows XP, Vista and Seven compatible.
Main features Search and replace text - with regular expression or not - in entire folders with the ability to filter de.