
Description: Charcoal is a minimalist drawing software focused on digital sketching and concept art creation. It offers an intuitive interface for fast drawing, uses graphics tablet stylus pressure for natural drawing strokes, and has useful tools for basic operations like layers, shapes and colors.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Concepts is a versatile note-taking and mind mapping app for Mac and iOS. It allows users to organize thoughts and ideas into infinite hierarchies of free-form maps and outlines. Key features include Markdown support, focus mode, backlinks, and integrations with other apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API