
Description: subZero is an open-source subtitles editor and synchronizer. It allows adjusting subtitle timing as well as editing subtitle text, style, colors, etc. Useful for fixing out-of-sync subtitles or improving subtitle quality.
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