The Revisionist is a tool for extracting and indexing hidden metadata (such as deleted or modified text) from large collections of MS Word files. It can operate whole Web sites or SMB or NFS directories. It is handy for pen-testing, or it can be used just to spot embarrassing secrets.
POPsearch is a desktop search engine that is designed to help you easily find information on your computer. With features that other search engines don't have,it lets you index your entire collection of email messages and files. As information is indexed, it is immediately available for analysis from any Web browser. When POPsearch is configured correctly, you can also access your data remotely with RSS feeds, email feeds, or from any computer that has a Web browser.