
Description: Visual Website Optimizer is an A/B testing and conversion rate optimization software that allows you to test changes to your website to increase conversions. It makes it easy to set up A/B and multivariate tests without coding.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Engauge A/B is a free open source A/B testing tool that allows you to set up split URL tests to see which webpage design performs better. It is lightweight and easy to use.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API