The Things Stack, an Open Source LoRaWAN Network Server

ChirpStack open-source LoRaWAN Network Server

Blynk.Edgent for MicroPython

An innovative MicroPython / CircuitPython IDE for Web and Mobile

A Git pre-commit hook for invoking Checkstyle via Maven - https://hdpe.me/post/maven-checkstyle-pre-commit-hook/

A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.

Examples of MQTT clients using the MQTT v3.1.1 and v5.0 protocols using various languages

ClickHouse® is a real-time analytics database management system

JDK main-line development https://openjdk.org/projects/jdk

Examples of IoT applications with Zephyr OS and Blynk.NCP

Netty project - an event-driven asynchronous network application framework

A high performance caching library for Java