Mac OS X Softwares to Search-in-Files

grep is a powerful command-line utility designed for efficient searching of text data. It leverages regular expressions to locate lines within files that match specified patterns, making it an essential tool for developers, system administrators, and anyone working with large amounts of text.

Recoll is a powerful and versatile desktop search tool for Unix-like systems, enabling users to quickly find documents and emails based on their content. It's known for its efficiency, extensive file type support, and a user-friendly graphical interface that minimizes technical overhead.

DocFetcher is a robust, open-source desktop search application designed to find files based on their content across various file types on Windows, macOS, and Linux.

Commander One is a powerful and versatile dual-pane file manager for macOS, engineered entirely in Swift. It offers a comprehensive suite of features for efficient file management, including FTP/SFTP/FTPS client, cloud service integration, a built-in terminal, and robust search capabilities, enhancing productivity for both novice and advanced users.