Python MUD/MUX/MUSH/MU* development system
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SDL-based reimplementation of the classic Chinese-language RPG known as PAL.
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Chocolate Doom is a Doom source port that is minimalist and historically accurate.
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Game and app loader for Sony PlayStation 2
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Valheim dedicated gameserver with automatic update, World backup, BepInEx and ValheimPlus mod support
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Purpur is a drop-in replacement for Paper servers designed for configurability, and new fun and exciting gameplay features.
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Blender-For-UnrealEngine-Addonsby xavier150
Python 
1578
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License: Strong Copyleft (GPL-3.0)
I have created this addons for export asset from Blender to Unreal Engine 4
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A uGUI based console to see debug messages and execute commands during gameplay in Unity
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c++ toolkit for rapid development of live graphical apps and games
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dhewm 3 main repository
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Magic Another Game Engine
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Nez is a free 2D focused framework that works with MonoGame and FNA
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Python support for Godot 🐍🐍🐍
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DirectXTex texture processing library
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Extracts text from video games and visual novels. Highly extensible.
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Automatic LOD generation + scene optimization
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Templates to deploy a serverless Minecraft Server on demand in AWS
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Brood War API
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Vulkan Quake port based on QuakeSpasm
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Reinforcement Learning environments based on the 1993 game Doom
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日本麻将助手:牌效+防守+记牌(支持雀魂、天凤)
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Path creation asset for Unity game development
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Lua Virtual Reality Framework
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Pixel Vision 8's core philosophy is to teach retro game development with streamlined workflows. PV8 is also a platform that standardizes 8-bit fantasy console limitations built on top of the open-source C# game engine based on MonoGame.
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Building game development ecosystem for @ziglang!
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A high speed C++17 Vulkan game engine
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Linux wrapper tool for use with the Steam client for custom launch options and 3rd party programs
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FPS Unlocker for Roblox
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Free, easy, portable audio engine for games
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An open-source, multiplayer modification for the game Subnautica.
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DUNE, REINVENTED
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Open source, experimental, and tiny tools roundup
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Graphical program used to map keyboard buttons and mouse controls to a gamepad. Useful for playing games with no gamepad support.
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A LEGACY Unity project to help build Pokémon-esque RPG games.
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the thin c++ game engine
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C# library for 2D/3D geometric computation, mesh algorithms, and so on. Boost license.
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JTRP : Unity HDRP ToonShading Render Pipeline (Preview)
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Unity ECS + C# Job System example
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High performance Rust ECS library
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Open Source Clones of Popular Games
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Multiplayer game server based on Node.JS
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F
ForgeNetworkingRemasteredby BeardedManStudios
C# 
1474
Version:Current
License: Permissive (Apache-2.0)
See various forks, also please join the Forge Community fork of Forge Alloy! -> https://github.com/ForgeAlloyCommunity/ForgeAlloy
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A GLSL Path Tracer
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Easy to use Python library for creating 2D arcade games.
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A simple kit meant to help jump start the creation of your 2D Unity game!
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UI Soft Mask is a smooth masking component for Unity UI (uGUI) elements.
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quick-cocos2d-x is a quick framework, based on cocos2d-x. Make mobile games in Lua.
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Advanced Linux Driver for Xbox One Wireless Controller (shipped with Xbox One S)
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Mod manager for various PC games. Discord Server: https://discord.gg/ewUVAqyrQX if you would like to be more involved
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evenniaby evennia
Python MUD/MUX/MUSH/MU* development system
Python
1592
Updated: 2 y ago
License: Permissive (BSD-3-Clause)
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sdlpalby sdlpal
SDL-based reimplementation of the classic Chinese-language RPG known as PAL.
C
1587
Updated: 2 y ago
License: Strong Copyleft (GPL-3.0)
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c
chocolate-doomby chocolate-doom
Chocolate Doom is a Doom source port that is minimalist and historically accurate.
C
1586
Updated: 2 y ago
License: Strong Copyleft (GPL-2.0)
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Open-PS2-Loaderby ps2homebrew
Game and app loader for Sony PlayStation 2
C
1584
Updated: 2 y ago
License: Weak Copyleft (AFL-3.0)
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valheim-server-dockerby lloesche
Valheim dedicated gameserver with automatic update, World backup, BepInEx and ValheimPlus mod support
Shell
1584
Updated: 2 y ago
License: Permissive (Apache-2.0)
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Purpurby PurpurMC
Purpur is a drop-in replacement for Paper servers designed for configurability, and new fun and exciting gameplay features.
Kotlin
1582
Updated: 2 y ago
License: Permissive (MIT)
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Blender-For-UnrealEngine-Addonsby xavier150
I have created this addons for export asset from Blender to Unreal Engine 4
Python
1578
Updated: 2 y ago
License: Strong Copyleft (GPL-3.0)
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UnityIngameDebugConsoleby yasirkula
A uGUI based console to see debug messages and execute commands during gameplay in Unity
C#
1577
Updated: 2 y ago
License: Permissive (MIT)
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twoby hugoam
c++ toolkit for rapid development of live graphical apps and games
C++
1576
Updated: 2 y ago
License: Permissive (Zlib)
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Nezby prime31
Nez is a free 2D focused framework that works with MonoGame and FNA
C#
1565
Updated: 2 y ago
License: Permissive (MIT)
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godot-pythonby touilleMan
Python support for Godot 🐍🐍🐍
Python
1559
Updated: 2 y ago
License: Proprietary (Proprietary)
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DirectXTexby microsoft
DirectXTex texture processing library
C++
1549
Updated: 2 y ago
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Textractorby Artikash
Extracts text from video games and visual novels. Highly extensible.
C++
1547
Updated: 2 y ago
License: Strong Copyleft (GPL-3.0)
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A
AutoLODby Unity-Technologies
Automatic LOD generation + scene optimization
C#
1546
Updated: 2 y ago
License: Proprietary (Proprietary)
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minecraft-ondemandby doctorray117
Templates to deploy a serverless Minecraft Server on demand in AWS
TypeScript
1539
Updated: 2 y ago
License: Permissive (Apache-2.0)
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vkQuakeby Novum
Vulkan Quake port based on QuakeSpasm
C
1537
Updated: 2 y ago
License: Strong Copyleft (GPL-2.0)
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ViZDoomby Farama-Foundation
Reinforcement Learning environments based on the 1993 game Doom
C++
1537
Updated: 2 y ago
License: No License (No License)
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mahjong-helperby EndlessCheng
日本麻将助手:牌效+防守+记牌(支持雀魂、天凤)
Go
1534
Updated: 2 y ago
License: Permissive (MIT)
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Path-Creatorby SebLague
Path creation asset for Unity game development
C#
1529
Updated: 2 y ago
License: Permissive (MIT)
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PixelVision8by PixelVision8
Pixel Vision 8's core philosophy is to teach retro game development with streamlined workflows. PV8 is also a platform that standardizes 8-bit fantasy console limitations built on top of the open-source C# game engine based on MonoGame.
C#
1522
Updated: 2 y ago
License: Weak Copyleft (MS-PL)
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zig-gamedevby michal-z
Building game development ecosystem for @ziglang!
C
1521
Updated: 2 y ago
License: Permissive (MIT)
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A
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steamtinkerlaunchby sonic2kk
Linux wrapper tool for use with the Steam client for custom launch options and 3rd party programs
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1510
Updated: 2 y ago
License: Strong Copyleft (GPL-3.0)
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r
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soloudby jarikomppa
Free, easy, portable audio engine for games
C
1507
Updated: 2 y ago
License: Proprietary (Proprietary)
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Nitroxby SubnauticaNitrox
An open-source, multiplayer modification for the game Subnautica.
C#
1503
Updated: 2 y ago
License: Strong Copyleft (GPL-3.0)
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O
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tools-listby everestpipkin
Open source, experimental, and tiny tools roundup
HTML
1501
Updated: 2 y ago
License: Proprietary (Proprietary)
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antimicroxby AntiMicroX
Graphical program used to map keyboard buttons and mouse controls to a gamepad. Useful for playing games with no gamepad support.
C++
1500
Updated: 2 y ago
License: Strong Copyleft (GPL-3.0)
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PokemonUnityby PokemonUnity
A LEGACY Unity project to help build Pokémon-esque RPG games.
C#
1500
Updated: 2 y ago
License: Permissive (BSD-3-Clause)
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sunflower-landby sunflower-land
TypeScript
1496
Updated: 2 y ago
License: No License (No License)
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t
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geometry3Sharpby gradientspace
C# library for 2D/3D geometric computation, mesh algorithms, and so on. Boost license.
C#
1493
Updated: 2 y ago
License: Permissive (BSL-1.0)
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J
JTRPby JasonMa0012
JTRP : Unity HDRP ToonShading Render Pipeline (Preview)
C#
1490
Updated: 2 y ago
License: Proprietary (Proprietary)
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V
Voxelmanby keijiro
Unity ECS + C# Job System example
C#
1483
Updated: 2 y ago
License: Permissive (Unlicense)
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legionby amethyst
High performance Rust ECS library
Rust
1478
Updated: 2 y ago
License: Permissive (MIT)
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osgameclonesby opengaming
Open Source Clones of Popular Games
JavaScript
1475
Updated: 2 y ago
License: Proprietary (Proprietary)
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lanceby lance-gg
Multiplayer game server based on Node.JS
JavaScript
1474
Updated: 2 y ago
License: Permissive (Apache-2.0)
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F
ForgeNetworkingRemasteredby BeardedManStudios
See various forks, also please join the Forge Community fork of Forge Alloy! -> https://github.com/ForgeAlloyCommunity/ForgeAlloy
C#
1474
Updated: 2 y ago
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GLSL-PathTracerby knightcrawler25
A GLSL Path Tracer
C++
1473
Updated: 2 y ago
License: Permissive (MIT)
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arcadeby pythonarcade
Easy to use Python library for creating 2D arcade games.
Python
1472
Updated: 2 y ago
License: Proprietary (Proprietary)
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SuperSimple2DKitby atmosgames
A simple kit meant to help jump start the creation of your 2D Unity game!
C#
1471
Updated: 2 y ago
License: No License (No License)
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SoftMaskForUGUIby mob-sakai
UI Soft Mask is a smooth masking component for Unity UI (uGUI) elements.
C#
1470
Updated: 2 y ago
License: Permissive (MIT)
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quick-cocos2d-xby chukong
quick-cocos2d-x is a quick framework, based on cocos2d-x. Make mobile games in Lua.
C++
1470
Updated: 2 y ago
License: No License (No License)
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xpadneoby atar-axis
Advanced Linux Driver for Xbox One Wireless Controller (shipped with Xbox One S)
C
1469
Updated: 2 y ago
License: Strong Copyleft (GPL-3.0)
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modorganizerby ModOrganizer2
Mod manager for various PC games. Discord Server: https://discord.gg/ewUVAqyrQX if you would like to be more involved
C++
1469
Updated: 2 y ago
License: Strong Copyleft (GPL-3.0)
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