
Description: Sketchize is a free online drawing and wireframing tool for creating simple sketches, diagrams, flowcharts and wireframes. It has a minimalist interface with various canvas sizes and tools like shapes, connectors, text, images etc. Useful for brainstorming ideas visually.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DropMock is a mock API and user data API tool that allows you to create simulated responses and fake user data for development and testing. It lets you set up mock REST APIs and graphQL endpoints without having to code custom servers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API