Alpine Linux
5.8#25 in operating systemsFree planFree planLinuxSelf-hosted
VisitAlpine Linux is suited to experienced Linux users choosing an operating system for physical, virtual, cloud, or container environments. Its handbook focuses on traditional desktop and server installations, while other uses assume Linux familiarity.
Apache NuttX suits developers building software for embedded boards and devices, including projects spanning different processor architectures. Its documented simulator targets may also fit development workflows that do not rely solely on physical hardware.