17.8
OpenWrt is a Linux operating system for embedded devices, most often wireless routers.
Free planOpen sourceAndroidWebAPI
Alternatives to QNX Neutrino RTOS
27.3
Apache NuttX is a free real-time operating system for embedded systems, designed around standards compliance and a small footprint.
Free planOpen sourceAPILinuxmacOS
36.1
Contiki-NG is a free, open-source operating system for resource-constrained Internet of Things devices.
Free planLinuxmacOSSelf-hosted
- 4
Particle Device OS
Free planWeb6.1From $299 a month - 5
Apache Mynewt
Apache Mynewt is a real-time operating system and development toolkit for embedded systems, aimed at embedded and higher-level application developers.
Free planLinuxmacOSSelf-hostedWindows6.0Free plan - 6
FreeRTOS
FreeRTOS is a real-time operating system for microcontrollers and small microprocessors.
Free planLinuxWindows6.0Free plan - 7
PX5 RTOS
PX5 RTOS is a hard real-time operating system for resource-constrained embedded applications, with a native POSIX pthreads API.
5.9From $5,000 a year - 8
VxWorks
LinuxWindows4.9 - 94.7
- 10
Micrium OS
LinuxmacOSWindows4.7 - 11
PikeOS
LinuxWindows4.6 - 124.3
- 134.3