
Description: Spike is a email management and collaboration tool aimed at improving team productivity. It brings emails, chat, tasks, notes, and docs together in one central hub to help teams communicate better and get work done faster.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Missive is an email service built for team communication with threaded conversations, shared inboxes, and easy search. It helps teams collaborate effectively over email.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API