
Description: WhatsApp is a popular cross-platform instant messaging and voice over IP service owned by Meta. It allows users to send text messages, voice messages, video calls, images, documents and user location free over an internet data connection.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Voxer is a walkie talkie app that works over cellular data or WiFi. It allows real-time voice communication, as well as the ability to send pre-recorded audio messages. Key features include end-to-end encryption, group messaging with up to 200 people, and integration with other apps like Zello and JioChat.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API