MailDev vs ZeroTier

MailDev

Development

MailDev is an email testing and debugging tool for developers. It allows you to intercept, view, and manipulate emails sent from your local development environment without actually sending them over the internet. Useful for testing email functionality in web apps.

ZeroTier

Network & Admin

ZeroTier is an open-source program that creates a virtual encrypted network between devices and across the internet. It allows devices to communicate over a private network as if they are locally connected, bypassing firewalls and NAT.