
Description: Back4App is a Backend-as-a-Service platform that allows developers to build, host and manage backends for web and mobile applications without having to worry about server management. It is built on top of Parse Server and offers easy database, push notifications, analytics, file storage and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stackprint is a PDF editor and converter tool that allows users to edit, annotate, sign, and convert PDF files. It has features for merging PDFs, adding text, images and shapes, digital signatures, password protection, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API