OpenGL

mc2alariq/mc2

An open-source engine and Linux port of Mech Commander 2, with bug fixes and 64-bit support for Windows and Linux.

HipremeEngineMrcSnm/HipremeEngine

A cross-platform game engine written in D with scripting support, supporting multiple rendering backends and platforms.

Nebulositycelstark/OpenNebulosity

Open-source astrophotography software for capturing and processing astronomical images from telescopes and cameras.

BearLibTerminalcfyzium/bearlibterminal

A pseudoterminal interface library for creating applications with text-based console-like output and flexible input handling.

swift-360-videosgsabran/DDDKit

An open-source Swift library for 360 video and image playback, plus generic 3D scene creation on iOS.

VoxelmanMrSmith33/voxelman

A plugin-based client-server voxel game engine written in the D programming language.

CloudPeekGeekgineer/CloudPeek

A lightweight, cross-platform, single-header C++ point cloud viewer for visualizing LiDAR, photogrammetry, and 3D datasets.

RSC-C2003scape/rsc-c

A portable, enhanced RuneScape Classic client written in C99 with support for multiple platforms and modern features.

muimalisipi/mui

A cross-platform UI library for V and C, supporting Windows, Linux, Android, and Web with native widgets and system themes.

zaffreaaron-santos/zaffre

A fast Clojure library for emulating a terminal with OpenGL rendering and Unicode support.

prototypegonutz/prototype

A minimal Go framework for quickly prototyping 2D games with simple drawing, input handling, and sound.

BlackvoxelBlackvoxel/Blackvoxel

A free, open-source voxel-based sandbox game where you explore and survive on a strange alien planet.

PixelPerfectEngineZILtoid1991/pixelperfectengine

A retro 2D and pseudo-3D game engine written in D, focused on authentic pixel-perfect graphics and a lightweight footprint.

DreeRallyenriquesomolinos/DreeRally

A reverse-engineered reimplementation of the classic Death Rally game engine, requiring original game assets.

EDGE-classicedge-classic/EDGE-classic

A cross-platform OpenGL Doom source port with advanced modding features and modern rendering.

jfswjonof/jfsw

A modern source port of the classic 3D Realms game Shadow Warrior, enabling play on contemporary operating systems.

holicityzhou13/holicity

A city-scale dataset and platform for learning holistic 3D structures from panoramic and perspective imagery with detailed annotations.

colorful-gdxtommyettinger/colorful-gdx

A libGDX library for advanced color manipulation using multiple perceptually-uniform color spaces.

Flare RPGclintbellanger/flare-game

A fantasy action RPG built with the open-source FLARE engine, featuring dungeon exploration and real-time combat.

Kigs frameworkKigs-framework/kigs

A modular C++ framework for rapid development of cross-platform applications including games, simulators, and viewers.

Mines Java ToolkitMinesJTK/jtk

A Java toolkit for scientific computing with packages for signal processing, linear algebra, optimization, meshing, and 2D/3D graphics.

gl_vk_bk3dthreadednvpro-samples/gl_vk_bk3dthreaded

A deprecated Vulkan and OpenGL sample demonstrating multi-threaded 3D rendering using worker threads and command buffers.

JSAR-DOMm-creativelab/jsar-runtime

A browser engine library for the Spatial Web that renders HTML, 2D, and 3D content together in 3D space.

ImGui-PascalColdzer0/ImGui-Pascal

FreePascal and Delphi bindings for the Dear ImGui library with docking support.

quakeforgequakeforge/quakeforge

A modern open-source engine for playing Quake and QuakeWorld games, with tools for mod development and evolving into a general game engine.

gl_vk_supersamplednvpro-samples/gl_vk_supersampled

Vulkan implementation of super-sampled rendering for high-quality anti-aliasing, with compact Vulkan coding techniques.

mathplotsebsjames/mathplot

A header-only C++ library for 2D and 3D data visualization using modern OpenGL.

vignsauzede/vig

A V language wrapper for dear imgui and cimgui, enabling immediate-mode GUI development with SDL2 and OpenGL.

KurarinFireRedz/kurarin

A simple osu! standard simulator for gameplay, replay viewing, and video rendering.

vnknsauzede/vnk

A V language wrapper for the Nuklear immediate-mode GUI library, enabling cross-platform UI development.

Prince-Monogamesalvadorc17/Prince-Monogame

A MonoGame implementation of Prince of Persia 2 written in C#, recreating the classic game with modern tools.

ZenGLSeenkao/New-ZenGL

A cross-platform 2D game engine library for Pascal/Delphi that simplifies OpenGL-based game development.

NearChucklerohit-n/NearChuckle

A Linux port of Far Cry 1 using SDL3, based on the game's leaked source code.

SDL2 and OpenGLregb/scalanative-graphics-bindings

Scala Native bindings for SDL2 and OpenGL, enabling high-performance graphics programming in Scala.

Flareclintbellanger/flare-engine

A free/libre 2D action roleplaying game engine for creating classic ARPGs like Diablo and Baldur's Gate.

Fireworks EnginePikachuxxxx/Fireworks-Engine

A lightweight sandbox game engine built with OpenGL for rapid prototyping and high customizability.