postmarketOS vs Rocky Linux
| postmarketOS | Rocky Linux | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Linux | Linux, self-hosted, Windows |
| Free plan | Yes | Yes |
| Device types | phones, tablets, laptops, Chromebooks, single-board computers, x86_64 EFI systems | Servers, workstations/desktops, Raspberry Pi, virtual machines, cloud instances, containers |
| CPU architectures | aarch64, armv7, x86_64, riscv64 | x86-64-v3, riscv64, aarch64, ppc64le, s390x (Rocky Linux 10); support varies by release |
| Support lifecycle | No fixed duration stated; stable kernel packages are kept up to date while the release is supported; device support depends on category and maintainers. | Major releases: 10 years total, with 5 years active support and 5 years security support; only the latest minor release is supported |
| Built-in management | Stable and edge release channels; kernel and system package upgrades; automatic kernel upgrades required for community-category devices | DNF package management and upgrade commands |
| App compatibility | Alpine apk packages; Flatpak is primary application distribution for Duranium | RHEL-compatible software environment; RPM packages and DNF package manager |
| Deployment models | Physical device installation; Duranium also uses standard GPT partitions on compatible laptops | Physical installation media, generic cloud images, AWS, Google Cloud, Microsoft Azure, Docker OCI, WSL |
Both are listed in Best Operating Systems. On Everything Xiaomi, Rocky Linux scores higher on our published basis.