Eclipse OpenBSW supporting Eclipse ThreadX

Date -

November 3, 2025

By -

Thomas Fleischmann

Eclipse OpenBSW is an open software stack for automotive microcontrollers — and it’s already on the road with FreeRTOS as its RTOS layer.

The team has just added support for Eclipse ThreadX, another Eclipse Foundation-hosted RTOS — bringing an additional option for the RTOS foundation.


🔧 Why this matters

🧩 Eclipse OpenBSW (GitHub)

  • Provides modular automotive services like lifecycle handling, OS abstraction, and communication stacks (UDS, DoCAN)
  • Runs on real automotive MCUs with C++14, Rust support on the roadmap
  • Clean, reusable codebase under Eclipse governance

⚙️ Eclipse ThreadX (GitHub)

  • RTOS with billions of deployed instances
  • Safety-certifiable, deterministic, and actively maintained
  • Features like preemption threshold scheduling, interrupt control, and event chaining

Together, these two projects form a solid embedded software base — from microcontroller drivers to diagnostic communication — all in open source and under the governance of the Eclipse Foundation.


If you’re working on automotive MCUs, this combination is worth a look.

Originally published by Thomas Fleischmann on LinkedIn.

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