MCUXpresso SDK vs Zephyr SDK
| MCUXpresso SDK | Zephyr SDK | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | extension, Linux, macOS, Web, Windows | Linux, macOS, Windows |
| Debugger included | Yes | Yes |
| SDK components | CMSIS; peripheral drivers; device headers; RTOS; connectivity stacks; AI inference and neural-network libraries; audio; security and cryptography; graphics; motor control; file systems; storage; examples | compiler, assembler, linker, GDB, QEMU, OpenOCD, BOSSA, Xilinx QEMU, Picolibc |
| Target architectures | Arm Cortex-M; 32-bit digital signal controllers | ARC, ARM, MicroBlaze, MIPS, OpenRISC 1000, RISC-V, RX, SPARC, x86, Xtensa |
| Host platforms | Windows; macOS; Linux | Linux, macOS (AArch64), Windows (x86-64) |
| Build systems | CMake; Kconfig; west; Ninja; IDE project generation | CMake, west, Ninja |
| Debug interfaces | LinkServer; SEGGER J-Link; GDB | QEMU GDB server, OpenOCD, GDB |
| License model | open-source | open-source |
| Free plan | — | Yes |
Both are listed in Best Embedded Systems Toolchains. On The Geeks Club, Zephyr SDK scores higher on our published basis.