Godot Engine – Multi-platform 2D and 3D game engine

A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

Bitwarden infrastructure/backend (API, database, Docker, etc).

OpenZFS on Linux and FreeBSD

Collaborative Collection of C++ Best Practices. This online resource is part of Jason Turner's collection of C++ Best Practices resources. See README.md for more information.

📖 A collection of pure POSIX sh alternatives to external processes.

🐳 Matrix (An open network for secure, decentralized communication) server setup using Ansible and Docker

A supercharged version of paperless: scan, index and archive all your physical documents

A tool for use with clang to analyze #includes in C and C++ source files

Library providing helpers for the Linux kernel io_uring support

An Open Source Implementation of the Actor Model in C++

a powerful DNS toolkit for python

HomeKit Library for the Arduino-ESP32

Update Pi-hole's lists from remote sources easily

A Xiaomi Roborock vaccum plugin (1st, 2nd and 3rd generation) for homebridge.

An operating system, but it only plays Tetris.

Indoor air quality monitor based on ESP32 & Sensirion SPS30 Particulate Matter Sensor.

An asynchronous network abstraction framework for applications written C++20.