Help out your favorite open source projects and become a better developer while doing it.

Distributed "massively parallel" SQL query engine

OpenRW "Open ReWrite" is an un-official open source recreation of the classic Grand Theft Auto III game executable

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.

Hierarchical Engine for Large-scale Infrastructure Co-Simulation (HELICS)

Hierarchical Engine for Large-scale Infrastructure Co-Simulation (HELICS)

Code formatter for Lua

An alternative tibia client for otserv written in C++11 and Lua, made with a modular system that uses lua scripts for ingame interface and functionality, making otclient flexible and easy to customize

A free and open-source Monero desktop wallet.

Event-driven network library for multi-threaded Linux server in C++11

Simple business intelligence platform for data democratization

Algorithm and data structure articles for https://cp-algorithms.com (based on http://e-maxx.ru)

Matplot++: A C++ Graphics Library for Data Visualization 📊🗾

:muscle: SEGS - Super Entity Game Server

QT Application for Public transportation

Code Problems from Coding Challenge Websites. The goal is to help them to improve their code skills and also studying for coding interviews.

JSON for Modern C++

NVIDIA PhysX SDK

Lovely console emulator package for Windows

The official distribution of Javidx9's YouTube videos and projects

Maintained branch of the original Dwarf Therapist for Dwarf Fortress.

Chemical kinetics, thermodynamics, and transport tool suite

A 3D Mapping Engine & SDK for OpenSceneGraph.

Header-Only C++ Library for Graph Representation and Algorithms

Poor man's guitar amp

Probabilistic Risk Analysis Tool (fault tree analysis, event tree analysis, etc.)

Engine re-implementation and data interchange for games by Retro Studios

This is the COVID-19 CovidSim microsimulation model developed by the MRC Centre for Global Infectious Disease Analysis hosted at Imperial College, London.

The Stratagus strategy game engine

bitcoin-core 0.13 fork ported for NavCoin

Free Software implementation of the Ruby Game Scripting System (RGSS)

Diablo devolved - magic behind the 1996 computer game

:books: Solutions for C++ Primer 5th exercises.

Use MIDI devices to trigger events in OBS and vice versa

NES Emulator, and Tutorial Video Code

Boomerang Decompiler - Fighting the code-rot :)

A reimplementation of BioWare's Aurora engine (and derivatives). Pre-pre-alpha :P

Thunder Engine – Cross-platform 2D and 3D game engine with module architecture

C++ client for making HTTP/REST requests

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

OpenCL implementation running on the VideoCore IV GPU of the Raspberry Pi models

Device OS (Firmware) for Particle Devices

City Simulation Game

An open-source cross-platform traceroute/ping analyser.

A Hap player for OpenFrameworks

Main repository for Hourglass-Resurrection, containing the source code for the executable and the DLL.

KaHyPar (Karlsruhe Hypergraph Partitioning) is a multilevel hypergraph partitioning framework providing direct k-way and recursive bisection based partitioning algorithms that compute solutions of very high quality.

A C++ based, lightweight music and noise remover for YouTube and other internet media, using DeepFilterNet for audio enhancement.

A Single-Header 2D Geometry Analysis Library

Versioned fork of the OpenCV gem for Ruby