Enhanced Nextion library for Arduino, NodeMcu, Esp8266,...

Open source Altium libraries including symbols, footprints, and 3D models for thousands of part

Open source Altium Database Library

Altium Library with 4000 components, IPC compliant footprints, 3D step model

Altium Library with over 4000 components, IPC compliant footprints, including 3D step model

GRBL controller application with G-Code visualizer written in Qt.

Python daemon to watch a GPIO pin and trigger a clean shutdown.

A library to help you keep track of database schema migrations

Extensive Open-Source Guides for Android Developers

A library for generic JSON-based REST-APIs, with a mechanism to map JSON to Qt objects

a light-weight and asynchronous HTTP library (both server & client) in Qt5 and c++14

a portable, small, easy to use and fast c++14 library for cryptography.

Advanced Docking System for Qt

Report generator for Qt Framework

QNetMap is the library that lets you embed maps into yours Qt applications.

QMapControl for Qt5 (based on https://www.medieninf.de/qmapcontrol)

Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL

Color wheel widget and dialog for Qt

A dark style sheet for QtWidgets application

This is a GPIO access library for NanoPI. It is based on the WiringOP for Orange PI which is based on original WiringPi for Raspberry Pi.

Extensible hd44780 LCD library

Arduino library for communicating with XBee radios in API mode

An easy-to-use environment to cross-compile Qt applications for Raspberry Pi from your desktop.

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

Bluetooth ODB-2 Adapter based on the STN1110

U8glib library for monochrome displays, version 2

Automatically exported from code.google.com/p/qextserialport

Python library for 0.96" OLED display

Python module to drive a SSD1306 / SSD1309 / SSD1322 / SSD1325 / SSD1327 / SSD1331 / SSD1351 / SH1106 OLED