
Description: grepWin is a free and open-source search tool for Windows that allows users to search for text patterns across files and folders on their computer. It is similar to the grep command on Linux/Unix systems.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Regexxer is a powerful regular expression editor and tester for creating, testing and debugging regular expressions. It has an intuitive interface with features like syntax highlighting, explanation of regex components, and testing against sample inputs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API