Vyatta is described as 'The free community Vyatta Core software(VC) is an award-winning open source network operating system providing advanced IPv4 and IPv6 routing, stateful firewalling, IPSec and SSL OpenVPN, intrusion prevention, and more' and is a Firewall in the security & privacy category. There are more than 10 alternatives to Vyatta for a variety of platforms, including Linux, Self-Hosted, Web-based, BSD and VirtualBox apps. The best Vyatta alternative is OpenWrt, which is both free and Open Source. Other great apps like Vyatta are pfSense, DD-WRT, MikroTik RouterOS and VyOS.