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Zephyr SDK
zephyrproject.org
Spec sheet
- Purpose
- Zephyr SDK provides GNU and LLVM toolchains for Zephyr-supported architectures, plus host tools including custom QEMU and OpenOCD.Read 30 Sep 2026 · docs.zephyrproject.org
- Intended users
- The project describes Zephyr as an RTOS for resource-constrained devices, including connected sensors, LED wearables, modems, and small wireless gateways.Read 30 Sep 2026 · zephyrproject.org
- Security
- Zephyr documents PSA Crypto with Mbed TLS and describes a monolithic kernel-and-application binary design.Read 30 Sep 2026 · docs.zephyrproject.org
- Support
- Community support is provided through mailing lists and Discord.Read 30 Sep 2026 · docs.zephyrproject.org
- License
- The Zephyr Project says its software is available under the Apache 2.0 open source license and free for commercial and non-commercial solutions.Read 30 Sep 2026 · zephyrproject.org
- Bundle options
- The SDK is distributed in GNU, LLVM, and minimal bundle variants, each including host tools.Read 30 Sep 2026 · docs.zephyrproject.org
- Compatibility
- The SDK page describes its referenced version as the recommended version for the corresponding Zephyr version and links to a compatibility matrix.Read 30 Sep 2026 · docs.zephyrproject.org
- Emulation and debugging
- The included custom QEMU and OpenOCD tools are used to emulate, flash, and debug Zephyr applications.Read 30 Sep 2026 · docs.zephyrproject.org
- Installation
- The SDK can be installed from the Zephyr repository with the command `west sdk install`.Read 30 Sep 2026 · docs.zephyrproject.org
- Operating systems
- SDK bundles are available for Linux, macOS, and Windows.Read 30 Sep 2026 · docs.zephyrproject.org
- Security limitation
- The security overview says vendor-specific cryptographic hardware and software APIs, including TPM and TEE support, are planned.Read 30 Sep 2026 · docs.zephyrproject.org
- Target architectures
- The SDK lists ARC, ARM, Microblaze, MIPS, RISC-V, RX, SPARC, x86, and Xtensa target architectures.Read 30 Sep 2026 · docs.zephyrproject.org
Plans and prices
Zephyr SDK Free Free to use; Apache 2.0 licensed; GNU, LLVM, or minimal bundle variants Read 30 Sep 2026 · docs.zephyrproject.org
Where Specifiction places it
- Embedded Systems Toolchains#24 of 307.1
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