netfilter vs RebTel
A side-by-side look at netfilter and RebTel. For an in-depth review of either product, follow the links below.
netfilter
Network & Admin
Netfilter is an open-source framework in the Linux kernel that allows network packet filtering, network address translation, and other packet mangling. It is a critical part of Linux's networking stack.
firewallpacket-filteringnetwork-address-translation
RebTel
Social & Communications
RebTel is an open-source alternative to Skype focused on privacy and security. It offers encrypted messaging, audio/video calls, screen sharing, and other communication tools.
messagingvoipvideo-callingopen-sourceprivacysecurity
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