PlatformIO Core vs Zephyr SDK
| PlatformIO Core | Zephyr SDK | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | extension, Linux, macOS, Windows | Linux, macOS, Windows |
| Debugger included | Yes | Yes |
| SDK components | Arduino, CMSIS, ESP8266 SDKs, Espressif IoT Development Framework, FreeRTOS, Mbed, STM32Cube, Zephyr, and other frameworks and SDKs | compiler, assembler, linker, GDB, QEMU, OpenOCD, BOSSA, Xilinx QEMU, Picolibc |
| Target architectures | AVR, ARM-based Atmel SAM, ESP32, ESP8266, 8051, PIC32, Nordic nRF51/nRF52, RISC-V, STM32, STM8, MSP430, TIVA, and others | ARC, ARM, MicroBlaze, MIPS, OpenRISC 1000, RISC-V, RX, SPARC, x86, Xtensa |
| Host platforms | Windows, macOS, Linux, FreeBSD, Linux ARMv6+ | Linux, macOS (AArch64), Windows (x86-64) |
| Build systems | PlatformIO Build System with platformio.ini project configuration | CMake, west, Ninja |
| Debug interfaces | Atmel-ICE, Black Magic Probe, CMSIS-DAP, JTAG-HS1, J-LINK, ESP-Prog, QEMU, Renode, ST-LINK, TI-ICDI, Verilator, and custom interfaces | 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, PlatformIO Core scores higher on our published basis.