
DocFetcher
DocFetcher is a portable German/English open source desktop search application. It allows you search the contents of documents on your computer. - You can think of it as Google for your local document repository.
AstroGrep is A Microsoft Windows GUI File Searching (grep) utility.
AstroGrep is A Microsoft Windows GUI File Searching (grep) utility. Features include regular expressions, versatile printing options, stores most recent used paths and has a "context" feature which is very nice for looking at source code.
Portable File search Support for regular expressions
portable graphical-user-interface file-search regular-expression grep