There are many alternatives to FSearch for Linux if you are looking for a replacement. The best Linux alternative is DocFetcher, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to FSearch and 14 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to FSearch are Catfish, Clapgrep, Curiosity Search and Searchmonkey III.
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.
Catfish is a handy file searching tool for Linux and Unix. The interface is intentionally lightweight and simple, using only GTK+3. You can configure it to your needs by using several command line options.
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…
AI-powered assistant centralizing all data by searching files, folders, and cloud apps, creating custom automations, interacting with emails, calendars, and web, offering document summarization, organization, and content generation tools.
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.
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.
A Linux version of Everything Search Engine. Support fast NTFS indexing. Show instant results as you type.
KFind can be used as a standalone search tool, launched by KRunner or from your menu. It is also integrated into Konqueror as "Find File" in the "Tools" menu. It allows you to find files by name, type or content.
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Catfish doesn't find files instantly (I think it doesn't pre-index them like fsearch) and becomes unresponsive sometimes on my system.