Apache NuttX vs Apache Mynewt

Apache NuttX9.0Visit Apache Mynewt8.5Visit

Higher score Apache NuttX #3 in IoT Operating Systems 9.0/10 Free plan Free plan✓ 0 of 3 features Visit Apache NuttX

vs

Apache Mynewt #5 in IoT Operating Systems 8.5/10 Open source ✓ 0 of 3 features Visit Apache Mynewt

• Apache NuttX fits best

  Open-source RTOS across diverse embedded hardware

• Apache Mynewt fits best

  Teams building modular firmware for connected devices

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Side by side

Feature	Apache NuttX 9.0/10 Visit ↗	Apache Mynewt 8.5/10 Visit ↗
At a glance
Editor score	9.0	8.5
Ranking	#3 in IoT Operating Systems	#5 in IoT Operating Systems
Best for	Open-source RTOS across diverse embedded hardware	Teams building modular firmware for connected devices
Pricing model	Free	Free
Starting price	Free plan	Open source
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Support	Docs, Community	Docs, Community
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Apache NuttX 0/3 · Apache Mynewt 0/3
Over-the-air updates	Not checked yet	Not checked yet
Fleet provisioning	Not checked yet	Not checked yet
Certificate management	Not checked yet	Not checked yet
Specs
Deployment model	Not checked yet	Edge
Supported device OS	Not checked yet	Apache Mynewt
Protocol support	Not checked yet	Not checked yet
Device limit	Not checked yet	Not checked yet
Our review
Pros	Preemptive scheduling includes FIFO and round-robin options. Configurable builds let developers select features for their target. Documented support spans many processor architectures, SoCs, and boards.	Real-time operating system designed for embedded devices Modular architecture for embedded software Open-source firmware foundation for connected IoT devices
Cons	Designed for embedded systems, not general-purpose desktop computing. Deployment is self-hosted on supported hardware or simulator targets. Support channels are documentation and community.	Focused on firmware development, not hosted device management Self-hosted deployment requires an embedded software workflow Docs and community are the listed support channels
Our verdict	Apache NuttX is an open-source real-time operating system for embedded developers building firmware and systems for microcontrollers and other supported hardware. Its small-footprint focus and configurable feature selection suit projects… Read the review →	Apache Mynewt is an open-source real-time operating system for resource-constrained embedded devices. It is aimed at developers building firmware and device software for connected IoT products, rather than organizations looking to buy a… Read the review →

Strengths and trade-offs

• Apache NuttX — where it wins

  • Preemptive scheduling includes FIFO and round-robin options.
  • Configurable builds let developers select features for their target.
  • Documented support spans many processor architectures, SoCs, and boards.

  Where it doesn't

  • Designed for embedded systems, not general-purpose desktop computing.
  • Deployment is self-hosted on supported hardware or simulator targets.
  • Support channels are documentation and community.

• Apache Mynewt — where it wins

  • Real-time operating system designed for embedded devices
  • Modular architecture for embedded software
  • Open-source firmware foundation for connected IoT devices

  Where it doesn't

  • Focused on firmware development, not hosted device management
  • Self-hosted deployment requires an embedded software workflow
  • Docs and community are the listed support channels

• Apache NuttX9.0/10 · Free plan

  A free, configurable RTOS with broad documented hardware support and POSIX-oriented APIs.

  Visit Apache NuttXFull verdict →
• Apache Mynewt8.5/10 · Open source

  A modular, self-hosted firmware foundation for connected, resource-constrained devices.

  Visit Apache MynewtFull verdict →