frp vs smtp4dev
A side-by-side look at frp and smtp4dev. For an in-depth review of either product, follow the links below.
frp
Network & Admin
frp is open-source software that allows you to easily establish connections between networks behind NAT or firewalls. It works by establishing a secure tunnel between a client and server to forward traffic.
networkingremote-accesstunnelingnat-traversal
smtp4dev
Development
smtp4dev is an open-source SMTP server designed for developers to test email sending applications locally. It provides a simple SMTP server without requiring email account credentials or an internet connection.
smtpemailtesting
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