uSmartX Version: 1.34 Last updated: 2006-01-14 License: BSD Platforms: ARM AVR uSmartX is a non-preemptive, multitasking, priority based RTOS. Features # uSmartX is a non-preemptive, multitasking, priority based RTOS. Website: https://sourceforge.net/projects/usmartx/ Source code: https://sourceforge.net/projects/usmartx/files/usmartx-src/