CentOS Stream vs FreeRTOS
| CentOS Stream | FreeRTOS | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, self-hosted | — |
| Free plan | Yes | Yes |
| Device types | Servers, workstations, cloud instances, and containers | Microcontrollers and small microprocessors |
| CPU architectures | CentOS Stream 10: AMD/Intel 64-bit (x86_64_v3), ARM 64-bit (ARMv8.0-A), IBM Power (POWER9), IBM Z (z14) | 40+ processor architectures, including RISC-V and ARMv8-M |
| Support lifecycle | CentOS Stream 10 maintained until 2030; roughly five-year lifecycle. CentOS Stream 9 end-of-life: 2027-05-31. | LTS libraries receive security updates and critical bug fixes for two years |
| Built-in management | DNF repositories and package management | — |
| App compatibility | BaseOS and AppStream repositories; RPM packages; Xwayland compatibility layer for legacy X11 applications | Kernel ports, demos, and reference integrations; 15+ toolchains |
| Deployment models | Physical-device installation media; cloud images; container images; Vagrant boxes | Embedded physical devices; cloud images not verified |
Both are listed in Best Operating Systems. On Inferse, CentOS Stream scores higher on our published basis.