frp vs Viber
A side-by-side look at frp and Viber. 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
Viber
Social & Communications
Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
messagingcallingfreecontacts