
Description: Sblack is an open-source software sketching and painting application. It is designed to emulate traditional drawing tools and techniques to create digital artwork. The interface is simple yet customizable to suit artists' workflows.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Keybase is a secure messaging and file sharing app that utilizes end-to-end encryption and blockchain-based authentication. It allows users to securely chat, make audio/video calls, share files, and collaborate on projects.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API