
Description: LunaticSMTP is an open-source SMTP server for Windows that allows sending email directly from applications without needing external libraries. It is lightweight, easy to install, and integrates with existing email infrastructure.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: FakeSMTP is an open source SMTP test server that allows developers to test email sending from their applications without actually sending emails through an SMTP server. It is lightweight, easy to install, and useful for testing email functionality during development.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API