Alternatives and similar repositories for RIOT:

Users that are interested in RIOT are comparing it to the libraries listed below

• contiki-os / contiki
  The official git repository for Contiki, the open source OS for the Internet of Things
  ☆3,752Updated last year
• aws / amazon-freertos
  DEPRECATED - See README.md
  ☆2,535Updated 2 years ago
• contiki-ng / contiki-ng
  Contiki-NG: The OS for Next Generation IoT Devices
  ☆1,387Updated this week
• cesanta / mongoose-os
  Mongoose OS - an IoT Firmware Development Framework. Supported microcontrollers: ESP32, ESP8266, CC3220, CC3200, STM32F4, STM32L4, STM32F…
  ☆2,549Updated last week
• zephyrproject-rtos / zephyr
  Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware archite…
  ☆11,889Updated this week
• eclipse-threadx / threadx
  Eclipse ThreadX is an advanced real-time operating system (RTOS) designed specifically for deeply embedded applications.
  ☆3,104Updated this week
• tinyos / tinyos-main
  Main development repository for TinyOS (an OS for embedded, wireless devices).
  ☆1,439Updated last year
• mcu-tools / mcuboot
  Secure boot for 32-bit Microcontrollers!
  ☆1,471Updated this week
• ARMmbed / mbed-os
  Arm Mbed OS is a platform operating system designed for the internet of things
  ☆4,738Updated 6 months ago
• apache / mynewt-core
  An OS to build, deploy and securely manage billions of devices
  ☆863Updated this week
• openthread / openthread
  OpenThread released by Google is an open-source implementation of the Thread networking protocol
  ☆3,637Updated this week
• apache / nuttx
  Apache NuttX is a mature, real-time embedded operating system (RTOS)
  ☆3,227Updated this week
• littlefs-project / littlefs
  A little fail-safe filesystem designed for microcontrollers
  ☆5,509Updated this week
• pellepl / spiffs
  Wear-leveled SPI flash file system for embedded devices
  ☆1,555Updated last year
• RT-Thread / rt-thread
  RT-Thread is an open source IoT Real-Time Operating System (RTOS).
  ☆11,023Updated this week
• SuperHouse / esp-open-rtos
  Open source FreeRTOS-based ESP8266 software framework
  ☆1,552Updated 3 years ago
• renode / renode
  Renode - Antmicro's open source simulation and virtual development framework for complex embedded systems
  ☆1,818Updated this week
• libopencm3 / libopencm3
  Open source ARM Cortex-M microcontroller library
  ☆3,245Updated last month
• openocd-org / openocd
  Official OpenOCD Read-Only Mirror (no pull requests)
  ☆1,846Updated 2 weeks ago
• whitecatboard / Lua-RTOS-ESP32
  Lua RTOS for ESP32
  ☆1,248Updated 2 years ago
• tock / tock
  A secure embedded operating system for microcontrollers
  ☆5,731Updated last week
• FreeRTOS / FreeRTOS-Kernel
  FreeRTOS kernel files only, submoduled into https://github.com/FreeRTOS/FreeRTOS and various other repos.
  ☆3,155Updated 2 weeks ago
• littlekernel / lk
  LK embedded kernel
  ☆3,330Updated this week
• pyocd / pyOCD
  Open source Python library for programming and debugging Arm Cortex-M microcontrollers
  ☆1,194Updated last month
• FreeRTOS / FreeRTOS
  'Classic' FreeRTOS distribution. Started as Git clone of FreeRTOS SourceForge SVN repo. Submodules the kernel.
  ☆5,903Updated last week
• armink / FlashDB
  An ultra-lightweight database that supports key-value and time series data | 一款支持 KV 数据和时序数据的超轻量级数据库
  ☆2,061Updated 3 months ago
• elua / elua
  eLua Project on GitHub
  ☆928Updated last year
• apache / mynewt-nimble
  Apache mynewt
  ☆762Updated last week
• nodemcu / nodemcu-firmware
  Lua based interactive firmware for ESP8266, ESP8285 and ESP32
  ☆7,762Updated 3 weeks ago
• obgm / libcoap
  A CoAP (RFC 7252) implementation in C
  ☆846Updated this week