RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/

CMSIS-DSP embedded compute library for Cortex-M and Cortex-A

Bao, a Lightweight Static Partitioning Hypervisor

Education kit for teaching computer architecture with a 5-stage Arm-based Verilog core and hands-on labs (educational)

rustBoot is a standalone bootloader written entirely in `Rust`, designed to run on anything from a microcontroller to a system on chip. It can be used to boot into bare-metal firmware or Linux.

Baremetal framework and example projects for the STM32MP15x Cortex-A7 based MPU

R3-OS — Experimental static RTOS kernel for deeply embedded systems, testing the limit of Rust's compile-time evaluation and generics

Education kit for teaching advanced Arm Cortex-A system-on-chip design on FPGA platforms with lectures and hands-on labs (educational)

Low level access to Cortex-A processors

Embedded firmware for ham radio transceivers

Productivity tool for populating an IAR Embedded Workbench project

Build embedded applications with the IAR Build Tools on Containers

Low level access to ARM Aarch32 (Cortex-R and Cortex-A) processors

Textbook for advanced students and engineers on modern SoC design using Arm Cortex-A: architecture, interconnects, validation, and fabrication (educational)

CMSIS-Stream framework for unifying AI/DSP/Audio/Video on Embedded and Rich OS platforms

Startup code and exception vector for bare-metal Rust on aarch64 Cortex-A processors.

Real-Time Operating System (RTOS) for Xilinx Zynq-7000 Cortex-A9 (ARMv7-A) multi-core SoCs (ZedBoard, PicoZed, MicroZed and similars) based on the ARINC 653 Part 1 specification

IAR Build Tools for Arm

Bare metal Pine A64 / PinePhone Rust crates

Remote Configuration UI