
Description: PurePNG is a free online PNG image converter and optimizer. It allows you to easily convert JPG, GIF, BMP images to PNG format and optimize PNG files by compressing them without losing quality.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MixKit is a free library of stock video footage, music, and sound effects that can be used for creative projects. It offers high-quality assets with no attribution required.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API