
Description: MailThis.to is a free online service that allows users to easily send emails with attachments from any device without having to register an account. It has a simple interface where users can compose an email, add recipients, attachments, and send it quickly.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Formspree.io is a free online form service that allows you to easily create contact forms, newsletter signup forms, and more. It's easy to integrate into websites with no server-side coding required.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API