
Description: Image Placeholder is a free online tool that generates custom placeholder images for web design and development. It allows you to specify image dimensions, background color, text, and other options to create placeholder images without requiring image editing software.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Holder.js is an open source JavaScript library that generates placeholder images of any size. It can be useful for mocking up website designs before images are available.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API