Baloo AlternativesFile Search Utilities and other similar apps like Baloo

DocFetcher is an Open Source desktop search application: It allows you to search the contents of files on your computer. — You can think of it as Google for your local files. The application runs on Windows, Linux and OS X, and is made available under the Eclipse Public License.

This package is a personal full text search package which is based on a very strong backend (Xapian), for which it provides an easy to use and feature-rich interface.

Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently. When searching the contents of files Agent Ransack also displays the text found. Users can then quickly browse the results without having to separately open each file!

grepWin is a simple search and replace tool which can use PCRE regular expressions to search for strings of text within files. grepWin adds an entry to the shell context menu to easily search selected folders.

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.

dnGrep allows you to search across files with easy-to-read results. Search through text files, Word documents, PDFs, and archives using text, regular expression, XPath, and phonetic queries. dnGrep includes search-and-replace, whole-file preview, right-click search in File...

Spotlight is the system-wide desktop search feature built into Apple's OS X operating system since version 10.4 (Tiger). Backed by an index of all items and files on the system, it's designed to allow the user to quickly locate a wide variety of items on the computer...

Instantly find documents, e-mails(full text), attachments, videos, pictures, music(metadata), and other types of files(file names). The size limit of the index of the free version is 75,000.

grep is a command-line utility for searching plain-text data sets for lines matching a regular expression.

Ack is designed as a standalone (one perl file) replacement for 99% of the uses of grep. ack is intelligent about the files it searches. It knows about certain file types, based on both the extension on the file and, in some cases, the contents of the file.

Tracker is a search engine and that allows the user to find their data as fast as possible. Users can search for their files and search for content in their files too.

Beagle is a search tool that ransacks your personal information space to find whatever youre looking for.