FreeRTOS vs OmniOS
| FreeRTOS | OmniOS | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | Linux |
| Free plan | Yes | Yes |
| Device types | Microcontrollers and small microprocessors | Servers; virtual machines |
| CPU architectures | 40+ processor architectures, including RISC-V and ARMv8-M | x86 |
| Support lifecycle | LTS libraries receive security updates and critical bug fixes for two years | Stable releases are supported for one year; LTS releases are supported for three years. |
| App compatibility | Kernel ports, demos, and reference integrations; 15+ toolchains | IPS package repositories; Linux zones; bhyve and KVM guest virtualization |
| Deployment models | Embedded physical devices; cloud images not verified | Physical servers; virtual machines; AWS EC2 cloud images |
| Built-in management | — | IPS package manager; digitally signed package updates; stable and LTS release tracks |
Both are listed in Best Operating Systems. On Everything Xiaomi, OmniOS scores higher on our published basis.