Jari OS is a real-time microkernel operating system which runs in terms of multi-service architecture. Core system consists of its own microkernel μString, core and system services, set of device drivers launched as trusted services.

oL4 is a small OS containing the Io programing language on top of the L4 microkernel. It runs the IoVM as a single server in kernel level, allowing direct hardware access and independence from having a full blown operating system and userland.