
Description: Backendless is a BaaS (Backend-as-a-Service) platform that provides a ready-made backend infrastructure for web and mobile apps. It handles databases, servers, SDKs, APIs, authentication, and more so developers can focus on building their app frontend.
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