
Description: Potrace is an open source bitmap tracing tool used to convert bitmap images into vector graphics. It produces high-quality vector images by tracing the outlines of a bitmap image. Potrace is useful for converting JPG, PNG, TIFF and other raster images into SVG or PDF files.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: VTracer is a visual regression testing tool for websites and web apps. It allows you to easily capture screenshots of your site across various browsers and device sizes, and compare them to baseline screenshots to detect unexpected visual changes or regressions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API