atomvm/AtomVM

Health v2 · maintenance only

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2217 stars · 159 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

AtomVM is a lightweight implementation of the BEAM virtual machine that runs Erlang, Elixir, and Gleam bytecode on microcontrollers and other constrained environments. It provides a subset of Erlang/OTP APIs with actor-based concurrency, plus peripheral interfaces like GPIO, I2C, SPI, UART, and WiFi support on devices such as the ESP32.

Use cases

• run erlang on esp32 microcontrollers
• build iot applications in elixir
• run beam languages on tiny embedded devices
• write actor-based concurrent firmware for stm32
• run erlang in webassembly
• program raspberry pi pico with elixir

When to choose

• you want functional, actor-based programming on microcontrollers like ESP32, STM32, or Pico
• you need BEAM concurrency features (processes, message passing, supervision) on constrained hardware
• you want to reuse existing Erlang/Elixir skills for IoT development

When to avoid

• you need full Erlang/OTP compatibility or complete standard library coverage
• you are building mission-critical systems, since AtomVM is still in v0.x with changing APIs
• you target hardware AtomVM does not support

Facets

library · maturity active

interpreter embedded concurrency networking embedded-systems iot programming-languages cross-platform embedded iot wasm windows cpp elixir erlang-vm beam elixir gleam microcontrollers esp32 stm32 actor-model virtual-machine linux macos

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