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Zephyr (operating system)

Zephyr (/ˈzɛf ər/) is a small real-time operating system (RTOS) for connected, resource-constrained and embedded devices (with an emphasis on microcontrollers) supporting multiple architectures and released under the Apache License 2.0. Zephyr includes a kernel, and all components and libraries, device drivers, protocol stacks, file systems, and firmware…

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Available in
English
Developer
Linux Foundation, Wind River Systems
Initial release
26 July 2016; 10 years ago (2016-07-26)
Kernel type
Microkernel (pre-v1.6) Monolithic (v1.6+)
Latest release
4.4.0 / 14 April 2026; 4 months ago (2026-04-14)
License
Apache 2.0

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Zephyr (operating system)

Nodes58
Edges57
Triples15
Avg. degree1.97
Density0.034483
Components1

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Zephyr (operating system)

Top relations

Available in · 1
Zephyr (operating system) → English
Developer · 1
Zephyr (operating system) → Linux Foundation, Wind River Systems
Initial release · 1
Zephyr (operating system) → 26 July 2016; 10 years ago (2016-07-26)
Kernel type · 1
Zephyr (operating system) → Microkernel (pre-v1.6) Monolithic (v1.6+)
Latest release · 1
Zephyr (operating system) → 4.4.0 / 14 April 2026; 4 months ago (2026-04-14)
License · 1
Zephyr (operating system) → Apache 2.0
Marketing target · 1
Zephyr (operating system) → Internet of things, embedded systems
Official website · 1
Zephyr (operating system) → www.zephyrproject.org
OS family · 1
Zephyr (operating system) → Real-time operating systems
Preceded by · 1
Zephyr (operating system) → Wind River Rocket

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Important terminology

zephyr kernel systems system rocket wind operating embedded linux rtos west river real-time small needed build security apache license memory

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Zephyr (operating system)Available inEnglish1.00infobox
Zephyr (operating system)DeveloperLinux Foundation, Wind River Systems1.00infobox
Zephyr (operating system)Initial release26 July 2016; 10 years ago (2016-07-26)1.00infobox
Zephyr (operating system)Kernel typeMicrokernel (pre-v1.6) Monolithic (v1.6+)1.00infobox
Zephyr (operating system)Latest release4.4.0 / 14 April 2026; 4 months ago (2026-04-14)1.00infobox
Zephyr (operating system)LicenseApache 2.01.00infobox
Zephyr (operating system)Marketing targetInternet of things, embedded systems1.00infobox
Zephyr (operating system)Official websitewww.zephyrproject.org1.00infobox
Zephyr (operating system)OS familyReal-time operating systems1.00infobox
Zephyr (operating system)Preceded byWind River Rocket1.00infobox
Zephyr (operating system)Repositorygithub.com/zephyrproject-rtos/zephyr1.00infobox
Zephyr (operating system)Source modelOpen source1.00infobox
Zephyr (operating system)Supported platformsARM (Cortex-M, Cortex-R, Cortex-A), ARC, MIPS, Nios II, RISC-V, Xtensa, SPARC, x86, x86-641.00infobox
Zephyr (operating system)Working stateCurrent1.00infobox
Zephyr (operating system)Written inC1.00infobox

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