
Description: Mailosaur is an email testing and automation platform for developers. It allows you to easily catch, view, and test emails from your web app by providing an email address to your app. Mailosaur makes it easy to test email sending, monitor email contents, extract data from emails, and automate email workflows for testing.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SMTP Bucket is an email testing and debugging tool that allows you to capture, view, and analyze outbound email traffic without sending it to recipient inboxes. It provides a fake SMTP server to connect email clients or apps to, logs all email activity, and gives you tools to inspect messages.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API