Mailtrain vs ToutApp: What are the differences?
Mailtrain: Self-hosted open-source Mailchimp clone. Mailtrain is a self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB); ToutApp: Upgrade your Email to Business Class. Tout takes the guesswork out of your business emails by giving you real-time stats on whether your Email has been viewed and whether anyone has clicked on your link.
Mailtrain and ToutApp can be categorized as "Email Marketing" tools.
Mailtrain is an open source tool with 4K GitHub stars and 435 GitHub forks. Here's a link to Mailtrain's open source repository on GitHub.