Kali Linux vs pfSense
| Kali Linux | pfSense | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, Linux, macOS, self-hosted, Windows | Linux, self-hosted, Web |
| Free plan | Yes | Yes |
Both are listed in Best Operating Systems. On Freedom251, pfSense scores higher on our published basis.