# Research and positioning

```{toctree}
:maxdepth: 1

R-001-rtos-mechanism-comparison
R-002-market-certification-and-positioning
R-003-differentiation
README
notes/chibios-nuttx
notes/embassy-riot
notes/freertos
notes/hubris-tock
notes/rtems
notes/threadx
notes/ucos3
notes/zephyr
```