
Description: Drawing Pad is a basic painting and sketching software for Windows. It has a simple interface with basic drawing tools like pencils, brushes, shapes, text, and color fill. Good for casual computer art and drawings.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mermaids is a free, open-source tool for creating sequence diagrams. It allows users to visually represent workflows and communication between components in a system. The tool has a simple syntax and works by translating text into SVG images.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API