
Description: Kannel is an open source WAP and SMS gateway that enables sending and receiving SMS messages to/from various devices and interfaces with various messaging protocols. It allows building SMS services and applications quickly and efficiently.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Msg2Send is a free, open source email client for Windows that allows you to easily send emails from the command line or scripts. It has a simple interface for composing and sending emails via SMTP.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API