
Description: sK1 is an open source vector graphics editor for Linux. It focuses on print and prepress functionality, similar to Adobe Illustrator or CorelDRAW. sK1 supports editing and exporting as PDF and PostScript files.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Pencil2D is a free and open-source 2D animation software. It allows users to create traditional hand-drawn animation with an intuitive and easy to use interface. Pencil2D is available for Linux, Mac OS X and Windows.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API