embedded-hal: stats, trends and alternatives

open-std.org

Foundational systems language for operating systems, embedded devices and language runtimes.

rust-lang/rust

Memory-safe systems language without a GC; most admired for a decade and spreading into kernels and tooling.

micropython/micropython

Lean Python 3 implementation for microcontrollers with a REPL; huge on ESP32, RP2040 and STM32 boards.

adafruit/circuitpython

Adafruit's beginner-focused MicroPython fork where boards mount as a USB drive for instant code edits.

embassy-rs/embassy

Async Rust framework and HALs for STM32, nRF, RP2040 and more; the de facto default for embedded Rust.

esp-rs/esp-hal

Espressif's officially supported no_std Rust HAL for ESP32 chips, with async, Wi-Fi and BLE support.

tinygo-org/tinygo

LLVM-based Go compiler for microcontrollers and WebAssembly with small binaries and wide board support.

espruino/Espruino

JavaScript interpreter for microcontrollers with its own boards and Bangle.js smartwatch.

Moddable-OpenSource/moddable

Standards-compliant JavaScript engine and SDK for MCUs that implements the ECMA-419 embedded APIs.

embedded-hal