Mikrotik e VyOS

What are some alternatives?
When comparing MikroTik RouterOS and VyOS, you can also consider the following products
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
OpenWrt - OpenWrt is an open-source firmware based on Linux for wireless routers
OPNsense - OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
IPFire - IPFire is a server distribution with intended to use as a firewall.
ClearOS - A very good alternative for Windows Server, for free
Gargoyle - Gargoyle Router Firmware home page