Very small, safe, lightning fast, yet portable preemptive RTOS with SMP support

ENC28J60 Ethernet driver for ESP32-Arduino 2.0.x / 3.0.x, lwip compliant

Maker 100, Robotics and Machine Learning Basics with the Dual Core Arduino Portenta and Shields

Portenta Pro Community Solutions

iSpindel replacement firmware for beer brewing/fermenting

For anyone who knows a bit of Javascript and wants to know some Machine Learning

My examples fir the new Arduino Pro board the Portenta H7

Hopefully the easiest way to get started with Google's TensorFlow Deep Learning Neural Network Python Library

An Arduino API that sits on top of Linux and other operating systems. This lets you run Arduino code on Raspberry PI, desktops, etc... All as a standard user-space application.

SPI LCD graphics library for ESP32 (ESP-IDF/ArduinoESP32) / ESP8266 (ArduinoESP8266) / SAMD51(Seeed ArduinoSAMD51)