Kali Linux vs Photon OS
| Kali Linux | Photon OS | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, Linux, macOS, self-hosted, Windows | Linux |
| Free plan | Yes | Yes |
| Device types | — | Bare-metal systems, virtual machines, Raspberry Pi, cloud instances |
| CPU architectures | — | x86_64, ARM64/aarch64 |
| Support lifecycle | — | Security updates as needed; non-security package updates described in legacy FAQ as quarterly; no fixed duration verified |
| Built-in management | — | tdnf package manager; Photon Management Daemon; RPM OSTree; Network Configuration Manager |
| App compatibility | — | Docker and other container formats; Kubernetes; RPM packages via tdnf; RPM OSTree |
| Deployment models | — | Bare metal; VMware hypervisors; ISO installation; OVA appliance; AWS AMI; Google GCE image; Azure VHD; Raspberry Pi image |
Both are listed in Best Operating Systems. On Freedom251, Kali Linux scores higher on our published basis.