FSearch is a fast file search utility for GNU/Linux operating systems, inspired by Everything Search Engine. It's written in C and based on GTK+3.




The best open source alternative to PowerGREP is FSearch. If that doesn't suit you, our users have ranked more than 50 alternatives to PowerGREP and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to PowerGREP are DocFetcher, Clapgrep, grepWin and Cardinal File Search.
FSearch is a fast file search utility for GNU/Linux operating systems, inspired by Everything Search Engine. It's written in C and based on GTK+3.




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 macOS, and is made available under the Eclipse Public License.




DocFetcher does not support regular expressions (regex) for text search


Ever had a folder full of PDF files, where you knew, somewhere in there, is what you're looking for. But you did not know in which file. So you had to search each of them at a time…




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.


Quick macOS file searching with substring, prefix, suffix, exact, and path-mixed patterns, case-sensitive or regex search modes, instant language switching, keyboard shortcuts, Quick Look previews, Finder integration, clipboard copy, and open-source code.



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

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...




Cross-platform desktop search application offering rapid full-text and regular expression search, recursive folder filtering, result highlighting, large file support, and a lightweight native UI built with Tauri and powered by ripgrep, ideal for complex codebases.


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.




Locate32 is software which can be used to find files from your harddrives and other locations. It works like updatedb and locate commands in Unix based systems. In other words, it uses databases to store information about directory structures and uses these databases in searches.

File Brain is a desktop application that helps you find files instantly using natural language. Instead of remembering exact filenames, you can ask questions like "flight ticket invoice", and File Brain uses semantic search to understand the meaning and show the...



regex is a must for a grep tool. PowerGREP is a powerful tool while DocFetcher is a very simple tools and not comparable.