dnGREP is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. 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 dnGREP and 18 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to dnGREP are Clapgrep, ripgrep, grep 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.
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…
ripgrep is a command line search tool that combines the usability of The Silver Searcher (an ack clone) with the raw speed of GNU grep.
grep is a command-line utility for searching plain-text data sets for lines matching a regular expression.
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.
FAR is a simple tool for search and replace operations over multiple files. You can apply ordinary "word by word" replacement, or choose to use fully featured regular expressions.
Silver Searcher is a code search tool similar to ack that claims to be much faster. It's implemented in C and has some extra features such as ignoring files per .hignore, .gitignore contents.
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.
UniversalCodeGrep (ucg) is an extremely fast grep-like tool specialized for searching large bodies of source code. It is intended to be largely command-line compatible with Ack, to some extent with ag, and where appropriate with grep.
Rummage is a cross platform tool for crawling directories and searching and replacing in text files. It is written in Python and uses wxPython for the GUI. Rummage allows for literal or regex searches and has configurations for limiting the files etc.
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Is not a Find/Replace tool