MikroTik RouterOS is described as 'Linux-based OS for transforming PCs into customizable routers with advanced firewall, VPN support, bandwidth control, wireless features, and flexible licensing' and is a router custom firmware in the security & privacy category. There are more than 25 alternatives to MikroTik RouterOS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and OpenWrt apps. The best MikroTik RouterOS alternative is OpenWrt, which is both free and Open Source. Other great apps like MikroTik RouterOS are OPNsense, pfSense, DD-WRT and IPFire.
This is exactly same as MikroTik router os from Cisco