
Description: Rucksack is a lightweight CSS bundling tool for web developers. It analyzes your CSS files for imports and bundles them into a single CSS file to reduce HTTP requests.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: FreeArc is an open-source file archiver program that supports creating and extracting archives in a variety of formats including 7z, ZIP, gzip, bzip2, and its own FAR format. It aims to provide high compression ratios while being fast and easy to use.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API