
Description: Nada is an open-source program that allows you to make audio calls over the internet. It is designed to be simple, lightweight, and easy to use for making Voice over IP (VoIP) calls.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: YOPmail is a free, disposable email service that allows users to sign up for a temporary email address to use for a certain period of time. It helps protect personal email privacy.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API