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

Distributed "massively parallel" SQL query engine

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.

Trick Simulation Environment. Trick provides a common set of simulation capabilities and utilities to build simulations automatically.

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

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

A free and open-source Monero desktop wallet.

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

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

Simple business intelligence platform for data democratization

: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.

NVIDIA PhysX SDK

JSON for Modern C++

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

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.

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

bitcoin-core 0.13 fork ported for NavCoin

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 :)

Cross-platform library for converting natural raster images into clean SVGs - fast, precise and configurable.

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

City Simulation Game

C++ client for making HTTP/REST requests

Poor man's guitar amp

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

The Stratagus strategy game engine

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

A Hap player for OpenFrameworks

:zap: The Mobile Robot Programming Toolkit (MRPT)

Device OS (Firmware) for Particle Devices

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

Archimedes - Game Engine

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