
Description: Percy is a visual testing and review platform that integrates with GitHub and other development tools to let teams automate visual reviews and catch UI issues before releasing code to production.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zuul is an open source API gateway and edge service used for dynamic routing, monitoring, resiliency and security. It handles authentication, insights, stress testing, canary deployments and much more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API