HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support

wolfMQTT is a small, fast, portable MQTT client implementation, including support for TLS 1.3.

How to Program and Recover Chinese Clone of the st-link v2 and reflash it to segger j-link

Arduino core for the ESP32

Open source Altium Database Library with over 200,000 high quality components and full 3d models.

The library source for the ESP32 BLE support for Arduino.

Arduino RFID Library for MFRC522

Easy engineering notation using python

C++ standard library reference

A GUI client for Windows, Linux and macOS, support Xray and sing-box and others

ioLibrary_Driver can be used for the application design of WIZnet TCP/IP chips as W5500, W5300, W5200, W5100, W5100S, W6100, W6300.

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

Component's library that I use in Altium Designer.

Cross-Platform C++ GUI Library

Android library that offers Shamsi (Persian Calendar) support, complete with a Persian time picker, all seamlessly integrated with Google's Material Datepicker and Timepicker.