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Ariel OS – A Rust RTOS for IoT microcontrollers

posted by Rianne Schestowitz on Jan 29, 2026

Quoting: Ariel OS - A Rust RTOS for IoT microcontrollers - CNX Software —

Ariel OS is a new RTOS for microcontrollers written in Rust with support for popular hardware architectures (Arm Cortex-M, ESP32, RISC-V) and boards from Espressif, Nordic Semi, Raspberry Pi, and STMicroelectronics.

Ariel OS is built on top of Embassy Rust framework and embedded-hal Hardware Abstraction Layer (HAL) for embedded systems, and adds several OS functionalities and a multi-core capable scheduler. It is mainly designed for secure, memory-safe, networked applications on microcontrollers.

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