Add new commands to the right-click menu of files and folders
Search several search engines at once, out of 100's of engines known to Foboz.
Search GT is a very fast, light and handy file search add-on for Windows
Internet-like search engine for your local documents (MS Office, PDF, HTML etc.)

search replace search and replace awk sed search and replace

search and replace vi replace and search search and replace text

global search and replace search and replace tool text search and replace