Paraben's Text Searcher
Complete text string searches for entire drives searching over 230 file types as well as slack and unallocated space. Using search indexes shortens search times. Compressed indexes are 30-60% the size of the original data. Supports complex searching queries through Boolean expressions. ... Easy to use interface and report output. ... When you're looking for a needle in a haystack, this tool is for you. ... Supports list searching for a single query list load. ... Supports multiple languages and has the ability to customize languages.
http://www.paraben.com/programs/ptsdemo.exe - 9Mb - Download - Screenshot

Odyssey
Let Odyssey search your computer for any file or for words or phrases that are in any file on your computer. Search using AND, NOT, and OR boolean operators. Perform either case sensitive or insensitive searches. Search any or all file types, even exe and dll files. ... Once the files are searched or located, Odyssey displays in a list box all files which contain the requested search terms or the searched files. ... You can also manipulate the files by moving, copying, or deleting them. ... These files can then be opened and their contents viewed by simply double clicking on the file name.
http://www.sorcerersoftware.com/odyssy11.exe - 152Kb - Download - Screenshot

Effective File Search
Effective File Search (EFS) is a powerful but easy to use search tool. Search any files on your computer or local network. Search in folders or results. Search filters include date and size, containing text or hexadecimal codes. You may use Boolean operators to perform multiple keyword searches. ... ). ... All results and parameters can be saved to file. ... Other features include export, Windows Explorer functionality (icons, context menus, drag and drop) and file operations (copy, rename, delete etc.
http://www.sowsoft.com/efsearch.zip - 625Kb - Download - Screenshot

Instant File Name Search
Instant File Name Search (IFNS) is a fast, free and easy to use software especially designed for file name searches. Instantly search files by name, part of name or mask (*. pdf, pentium?. jpg, *nirvana*. mp3 etc. ) on your computer or local network. ... IFNS offers support of Boolean operators (AND, OR, NOT), database management (you can create several search databases: my computer, all music, CD etc. ... Save your time and money. ... ), hot keys and a convenient, Explorer like interface.
http://www.sowsoft.com/download/InstantSearch.zip - 461Kb - Download - Screenshot

Search
Handy-dandy text file search utility will quickly and easily find those files containing piece(s) of text. It allows boolean combination (AND/OR/AND NOT) and remembers your previous searches to save you re-entering commonly used configurations. It can show you the lines from the file that...
http://www.sadmansoftware.com/search/search-setup.exe - 0b - Download - Screenshot

Filehunter
Filehunter finds files, search files, ,search within search results, search zip files, view files use regular expressions, display search strings, match text , multiple search strings, uses files extensions. It searches multiple directories, & uses file dates, files size, text, attributes,... The program can locate search strings, search multiple directories and drives, display file extensions registered on your computer, use user defined extensions, save and load search parameters, use modified, created and last accessed dates, match file sizes and attributes,use case sensitive search...
http://www.filehunter.com/downloads/filehunt.zip - 3Mb - Download - Screenshot

SearchWin
SearchWin is a Fast Windows Find File Utility that adds Multi-Term 'Search Engine' capability to the Windows File System. It provides greater power and flexibility than Windows native Find File Utility without the overhead of a database. SearchWin finds files Without using ancient DOS filename... SearchWin allows multiple search terms that can be related with the standard Boolean operators of AND OR and NOT. ... - for traditional computer users, DOS mode allows all those old wildcard searches you are used to (and includes 'in file' boolean searches) only at SearchWin speed instead of DOS...
http://www.searchwin.net/swin10.zip - 4Mb - Download - Screenshot

AFSearch offline html search engine
A local index search engine that allows the user to index text and html files stored in specific directories on PC, CDROM and LAN. Which enables fast, powerful, boolean and wildcards supported keyword searches offline with results displayed with summary. ... Enable E-Book and CDROM publishers to include a search engine for files distributed. ... Local CGI mode support for seamless integration with existing HTML files.
http://www.afsearch.com/afsetup.exe - 2Mb - Download - Screenshot

Sekhol Finder
Sekhol Finder is a tool for deep Internet searches. It allows to create unlimited and fully customisable list of search engines with possibility of adding user defined sites and setting search site parameters. The pages referenced in the replies that are returned by the search sites are... The search could be done in completely autonomous mode or be supervised and fine-tuned by a user. ... In the case of long searches the project data can be saved, and the search can be resumed later. ... The application also allows to download pages from a user defined list or URL's and create a list of...
http://www.sekhol.com/files/SekholFinder23.zip - 2b - Download - Screenshot

Wanyword
Text search with Boolean and NEAR or proximity operators. ANSI/OEM search and conversion on the fly which is not unimportant since there is a lot of old DOS text around and umlauts and accents may give problems here. Sets of found files can be saved. ... There is a TXT/RTF editor which understands OLE and has recursive search and replace. ... There are Brazilian, Danish, German and English interfaces and helpfiles and you can roll your own interface in your own language. ... WanyWord is freeware and the Visual C++ source is included.
http://home4.inet.tele.dk/jensguld/Wanyw300.zip - 673Kb - Download - Screenshot