
Description: pxtoem.net is a simple online tool that converts pixel (px) values to em units for use in CSS. It allows web developers to easily convert font-sizes, margins, paddings, etc. from pixels to ems.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: BuildBootstrap is an open-source website builder that allows you to quickly build responsive websites using the Bootstrap framework. It has a drag-and-drop interface that makes web design simple, even for beginners.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API