1850 Open source projects that are alternatives of or similar to Helios

QP-nano real-time embedded framework/RTOS for embedded systems based on active objects (actors) and hierarchical state machines

Free, simple, extremely lightweight, stackless, cooperative, co-routine system (OS) for microcontrollers

QP real-time embedded frameworks/RTOS for Arduino (AVR and SAM)

A secure embedded operating system for microcontrollers

object-oriented C++ RTOS for microcontrollers

Apache NuttX is a mature, real-time embedded operating system (RTOS)

📟 JSON library for Arduino and embedded C++. Simple and efficient.

Free cooperative operating system (OS) for microcontrollers

A micro real-time operating system supporting task switching, delay function, memory allocator and critical section. It is writen on ARM Cortex-M3 assemble language, it runs successfully on STM32F103 MCU.

Apex RTOS - A (somewhat) Linux compatible real time operating system

rnk is a RTOS targeting ARM architecture.

Apache NuttX Apps is a collection of tools, shells, network utilities, libraries, interpreters and can be used with the NuttX RTOS

A lightweight, secure, easy-to-use crypto library suitable for constrained environments.

A curated list of awesome embedded programming.

GUIslice drag & drop embedded GUI in C for touchscreen TFT on Arduino, Raspberry Pi, ARM, ESP8266 / ESP32 / M5stack using Adafruit-GFX / TFT_eSPI / UTFT / SDL

Library to read time from Network Time Protocol (NTP) servers.

PlatformIO is a professional collaborative platform for embedded development 👽 A place where Developers and Teams have true Freedom! No more vendor lock-in!

General Purpose Input/Output (GPIO) library for Arduino

Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

ERIKA Enterprise v3 RTOS

Arduino Library to simplify working with buttons. It allows you to use callback functions to track single, double, triple and long clicks. It also takes care of debouncing.

Logic Analyzer, for Arduino, AVR, ESP8266 and STM32 with a very nice working processing interface, you could run it also on any Android device.

Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. | Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

Portable Cooperative Multi-tasking Scheduler for Arduino

Arduino library for LoRa modules based on SX127x/RFM9x chips

An Arduino library for easy graphing on host computer via serial communication

Arduino hardware SPI library for ATtiny44/84, 45/85, 461/861, 2313/4313.

Non-blocking library for delaying function calls

Lightweight Espressif AT parser library for ESP8266 and ESP32 devices.

LoraWAN serialization/deserialization library for The Things Network

XInput library for USB capable Arduino boards

Arduino library for easy communication with MPU6050

Uma biblioteca que permite programar em linguagem Arduino utilizando comandos facilitados em PT-BR. 🇧🇷

INA219 Current Sensor

An Arduino/esp8266/esp32 library to directly interface with DSC security systems.

All CPU and MCU documentation in one place

A real time operating system for IoT written in C++

OSI Layer 2 driver for nRF24L01 on Arduino & Raspberry Pi/Linux Devices

Blynk IoT library for Python and Micropython

Menu creation Arduino library for LCDs, wraps LiquidCrystal.

Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/

Arduino library for Trinamic TMC2130 Stepper driver

A library for writing modern websockets applications with Arduino (ESP8266 and ESP32)

A set of various projects based on ESP8266, ESP32, ATtiny13, ATtiny85, ATtiny2313, ATmega8, ATmega328, ATmega32, STM32 and more.

Arduino library for implementing a finite state machine.

UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)

Non-blocking LED controlling library for Arduino and friends.

CLI utility for Drone, an Embedded Operating System.

RotaryEncoder Arduino Library

Library for the Si5351 clock generator IC in the Arduino environment

A simple library for building and parsing data frames for serial interfaces (like UART / RS232)

Arduino Library for TTN Devices

A socket.io-client implementation for ESP8266 and Arduino

Wifi and MQTT handling for ESP8266 and ESP32

Arduino library for LED strips and pixels using LPD8806 (and probably LPD8803/LPD8809)

💾 Customizable menu system for M5Stack and ESP32-Chimera-Core - loads apps from the Micro SD card. Easily add you own apps

Arduino communication library for Peacefair PZEM-004T Energy monitor

An Arduino library for the digital light sensor breakout boards containing the BH1750FVI IC

An Arduino library to control FM radio chips like SI4703, SI4705, RDA5807M, TEA5767.

Arduino hardware package for ATmega64, ATmega128, ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90CAN32, AT90CAN64 and AT90CAN128