
Description: Pexels is a free stock photo and video sharing platform. It offers a large library of high-quality media that can be used for personal and commercial projects without attribution. The interface makes it easy to search for and download photos and videos based on keywords, color, orientation, etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ungraded is a free, open-source assessment platform designed for teachers. It allows educators to create and deliver tests, quizzes, assignments, and surveys seamlessly to their students.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API