
Description: Clockwork SMS is a cloud-based SMS marketing platform that allows businesses to send bulk SMS messages to customers. It has features like two-way messaging, contact management, automation rules, and analytics.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: The SMS Works SMS API is a cloud-based API that allows users to send and receive SMS messages from within their own applications. It handles all the telecom carrier connections and provides reliable delivery of SMS messages globally.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API