
Description: GNU sed is a stream text editor for filtering and transforming text, commonly used for basic text manipulation and scripting. It is the GNU implementation of the popular Unix utility sed.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TXR is a programming language and interpreter focused on text processing and data munging. It has strong string handling capabilities and integrates regexes into the language.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API