
Description: Screwdriver is a lightweight open source continuous delivery and release automation platform. It helps developers easily build, test, and deploy their code and facilitates faster and simpler delivery of apps and services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Jenkins is an open source automation server that enables developers around the world to reliably build, test, and deploy their software. It provides hundreds of plugins to support building, deploying, and automating any project.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API