The open-source kanban
The first open source design and prototyping tool
Free and Open Source Invoicing, Expenses & Time-Tracking
A coin that can be mined with almost everything
STM32 core support for Arduino
Optimized firmware for RepRap 3D printers based on Arduino platform
Focalboard is an open source, self-hosted alternative to Trello, etc.
The FastLED library for colored LED animation on Arduino
pongoOS
Arduino command line tool
FW for ESP8266/ESP8285/ESP32 used with 3D printer
You are in charge of your data and customizations
Node.js based forum software built for the modern web
Wifi & BLE driven passenger flow metering with cheap ESP32 boards
YAF.NET - C# ASP.NET Forum
Arduino FOC for BLDC and Stepper motors
A shield for the Arduino Mega that can back up video game cartridges
Go compiler for small place
The comprehensive WSGI web application library
IoT operating system for microcontrollers.
Open-source electronics platform
Internet Discussion Boards is a message board system by Game Maker 2k.
Command-line Kanban board/task manager with support for Trello boards
JavaScript Robotics and IoT programming framework