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

Description: Firebase is a backend-as-a-service (BaaS) platform that provides developers with a variety of tools and services to help them develop high-quality apps. It handles backend functionality like database storage, authentication, hosting and more so developers can focus on building user-facing features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API