The Official Arduino AVR core

ArduinoBLE library for Arduino

Arduino Core based on Zephyr+llext

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

This class provides functionality useful for debugging sketches via printf-style statements.

A library which provides a toolkit for interacting with the official Arduino Pro 4G Modules.

Arm Mbed OS is a platform operating system designed for the internet of things

Port of BearSSL to Arduino

Arduino Library Manager list

A Command Line Tool made to update the firmware and/or add SSL certificates for any Arduino board equipped with WINC or NINA Wi-Fi module.

Arduino core for the ESP32

Examples of how to connect various Arduino boards to cloud providers.

ArduinoMqttClient Library for Arduino

OTA on the Arduino Portenta.