| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Linux | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 8 | 1 |
| Spec score · Firewall Software | 8.6 (#12) | 7.9 (#41) |
| Business edition | ClearOS 7 Business uses tested code, is designed for production and critical deployments, and is professionally supported by ClearCARE. | EndianOS UTM combines firewall, intrusion prevention, and antivirus to protect business networks. |
| Central management | Yes | Yes |
| Deployment | ClearCenter says ClearOS runs on the user's hardware and presents download, install, register, configure, and run as its setup steps. | EndianOS UTM and EndianOS 4i are offered for hardware, virtual machine, or cloud deployment, with 4i also described for industrial hardware. |
| Outbound control | advanced | advanced |
| Supported platforms | linux | linux |
| Product | ClearOS is an open source server operating system with a graphical web interface and an application marketplace. | EndianOS is a Linux-based operating system that runs on every Endian gateway and connects and protects IT and OT environments. |
| Rule direction | both | both |
