
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: FPOImg is a free online image placeholder service that allows you to generate custom placeholder images for web design mockups and wireframes. It offers various image sizes, themes, backgrounds, text, and shapes.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API