Tactility appears to be built on top of FreeRTOS. FreeRTOS itself is very barebones, a library that provides basic memory management, task scheduling, io and a

Tactility appears to be built on top of FreeRTOS. FreeRTOS itself is very barebones, a library that provides basic memory management, task scheduling, io and a TCP stack, but not, for example, an abstraction layer for screen, keyboard or other peripherals, or the concept of running user applications.