Apache NuttX RTOS

Market Share & Ecosystem

Apache NuttX powers devices across aerospace, consumer electronics, IoT, and industrial systems. Explore the platforms and companies building on the RTOS.

1000+ SKUs running NuttX (Xiaomi alone)
4+ Major industry verticals
2024 Used in Japanese lunar mission
Apache Software Foundation project
Sony
Spresense Platform
Fitbit
Fitbit Wearable
Xiaomi
OpenVela Consumer
Samsung
TizenRT IoT

Consumer Electronics & Wearables

High-volume audio, wearables, and large-scale consumer ecosystems.

Sony
Segment Audio & Edge Sensing
Board Support Package

Sony Audio Devices & Spresense

Sony uses NuttX in its audio players and embedded ecosystem. The Sony Spresense platform (including multiple boards and modules) runs NuttX as its primary operating system, enabling high-performance audio and edge AI sensing.

Audio Edge AI Sensing
Fitbit
Segment Wearables
Smartwatch Firmware

Google / Fitbit Smartwatches

Google's Fitbit ecosystem uses NuttX in its smartwatch platforms. Their engineers have presented multiple talks at NuttX International Workshops, demonstrating active, ongoing involvement in the RTOS community.

Wearables Sensors Health
Xiaomi
Segment Consumer Ecosystem
Broad Device Portfolio

Xiaomi / OpenVela

Xiaomi has one of the largest NuttX deployments in the world. Over 1,000 SKUs are reported to run NuttX, spanning smartwatches, smart speakers, displays, and EV-related systems, all under the OpenVela platform umbrella.

Smart Devices IoT EV

Drones, Robotics, and Automotive

Mission-critical mobility, flight control, and automotive ECUs.

PX4
Segment UAV Flight Control
Autopilot RTOS

PX4 Ecosystem

Every drone built using PX4 Autopilot runs Apache NuttX. This includes aircraft manufactured by Auterion, 3DR, XMobots, and many others. NuttX handles the real-time flight control demands where determinism is non-negotiable.

Drones UAV Robotics Real-Time
Li Auto
Segment Automotive
Electronic Control Units

Li Auto (Electric Vehicles)

Li Auto integrates NuttX in its Electronic Control Units (ECUs). Both Li Auto and Xiaomi have actively worked toward certifying NuttX for automotive use, demonstrating its readiness for safety-critical embedded systems.

Automotive EV Safety-Critical

IoT, Embedded, and OS Integrations

Connected platforms, robust APIs, and SIL0 industrial controls.

Samsung
Segment IoT OS
Base Kernel

Samsung TizenRT

Samsung uses NuttX as the underlying kernel for TizenRT, their IoT operating system deployed heavily across connected and embedded devices in their product lineup.

OS Integration Kernel IoT
Espressif
Segment Microcontrollers
Platform Support

Espressif ESP32 Family

Espressif Systems actively contributes to the NuttX mainline. The full ESP32 family (including S2, S3, H2, and P4 variants) has first-class support, making it one of the most widely deployed platforms for IoT products using NuttX.

Hardware IoT Wi-Fi BLE
Elektroline
Segment Industrial Control
SIL0 Environments

Elektroline

Elektroline deploys NuttX in tram track systems (BRCg2, VTK25) and remotely controlled disconnectors. NuttX provides interconnection over CAN, USB, and Ethernet, GUI via LVGL, and data logging to SD card or NOR flash memory at SIL0 safety level.

Industrial SIL0 LVGL CAN
Meadow
Segment Developer Platforms
.NET Framework Support

Meadow by Wilderness Labs

Wilderness Labs uses NuttX in its Meadow platform. Because NuttX is POSIX-compliant and Unix-like, it enables easier portability of Linux-based .NET applications to microcontrollers, bridging the gap between desktop development and embedded hardware.

.NET POSIX Platform

Aerospace, Space, and Historical Uses

Mission-critical boundaries and notable technology projects.

Japanese Lunar Mission
Segment Space Exploration
Robotic Systems

Japanese Lunar Mission (2024)

NuttX powered a robotic system aboard the Japanese lunar exploration mission in 2024, highlighting the RTOS's reliability in extreme environments where failure is not an option.

Aerospace Space Mission-Critical
Google
Segment Mobile
Historic Innovation

Google Modular Phone

Google used NuttX in its ambitious modular phone project, an early effort to bring a hardware-modular smartphone to market.

Mobile Modular Google
Motorola
Segment Smart Accessories
Historic Innovation

Motorola Moto Mods

Motorola deployed NuttX in Moto Z smart accessories (Moto Mods), enabling modular hardware extensions such as cameras, projectors, and speakers to communicate intelligently with the host device.

Mobile Accessories Motorola

Robotics Frameworks

Foundational contributions to the open-source robotics ecosystem.

micro-ROS
Segment Robotics Framework
ROS 2 on Microcontrollers

micro-ROS

The widely adopted micro-ROS robotics framework was initially developed directly on NuttX before expanding to support other RTOS platforms, cementing NuttX's role as the foundational platform for bringing ROS 2 to microcontrollers.

Robotics ROS 2 micro-ROS Framework