
Description: UPX is an open source executable packer that can compress and optimize executable files for Windows, Linux, macOS, and other platforms. It works by analyzing executables, removing unused code and data, and compressing what remains. UPX aims to reduce file size while allowing compressed binaries to launch and run normally.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: WWPack32 is an open-source file archiver and data compression software for Windows. It supports creating and extracting archives in various formats including ZIP, 7Z, RAR, ISO, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API