
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: 20minutemail is a temporary, disposable email service that allows users to receive emails at a random address for 20 minutes at a time without registration. It can be used to sign up for accounts and services while keeping the user's personal email private.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API