1.OpenRA / OpenRA
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
+582 stars
from 17,126 · score 6.37
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
40 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
2.ssloy / tinyrenderer
A brief computer graphics / rendering course
+503 stars
from 23,983 · score 6.22
3.iii-hq / iii
Effortlessly compose, extend, and observe every service in real-time for the first time ever.
+472 stars
from 18,404 · score 6.16
4.Kavex / GameDev-Resources
:video_game: :game_die: A wonderful list of Game Development resources.
+371 stars
from 6,760 · score 5.92
5.bkaradzic / bgfx
Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.
+294 stars
from 17,307 · score 5.69
6.SFTtech / openage
Clone of the Age of Empires II engine 🚀
+253 stars
from 14,328 · score 5.54
7.unocss / unocss
The instant on-demand atomic CSS engine.
+148 stars
from 18,844 · score 5.00
8.Taiizor / Sucrose
Sucrose is a versatile wallpaper engine that brings life to your desktop with a wide range of interactive wallpapers.
+144 stars
from 1,440 · score 4.98
9.expr-lang / expr
Expression language and expression evaluation for Go
+111 stars
from 7,952 · score 4.72
10.alyssaxuu / flowy
The minimal javascript library to create flowcharts ✨
+91 stars
from 12,058 · score 4.52
11.OpenXRay / xray-16
Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)
+82 stars
from 3,521 · score 4.42
12.gameplay3d / gameplay
Open-source, cross-platform, C++ game engine for creating 2D/3D games.
+79 stars
from 4,875 · score 4.38
13.sofa-framework / sofa
Real-time multi-physics simulation with an emphasis on medical simulation.
+59 stars
from 1,236 · score 4.09
14.jarikomppa / soloud
Free, easy, portable audio engine for games
+56 stars
from 2,135 · score 4.04
15.OpenDiablo2 / OpenDiablo2Archived
An open source re-implementation of Diablo 2
+54 stars
from 11,056 · score 4.01
16.htrgouvea / nipe
An engine to make Tor network your default gateway
+52 stars
from 2,353 · score 3.97
17.gemrb / gemrb
GemRB is a portable open-source implementation of Bioware’s Infinity Engine.
+50 stars
from 1,217 · score 3.93
18.evennia / evennia
Python MUD/MUX/MUSH/MU* development system
+46 stars
from 2,071 · score 3.85
19.urho3d / urho3dArchived
Game engine
+31 stars
from 4,748 · score 3.47
20.pay-rails / pay
Payments for Ruby on Rails apps
+21 stars
from 2,243 · score 3.09
21.bludit / bludit
Simple, Fast, Secure, Flat-File CMS
+19 stars
from 1,454 · score 3.00
22.3dreamengine / 3DreamEngine
3DreamEngine is an *awesome* 3d engine for LÖVE.
+14 stars
from 496 · score 2.71
23.apache / linkis
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
+13 stars
from 3,403 · score 2.64
24.master-co / css
A markup-driven CSS orchestration language for developers and AI agents.
+13 stars
from 1,941 · score 2.64
25.ObEngine / ObEngine
2D Game Engine with Lua Scripting made on top of SFML !
+9 stars
from 859 · score 2.30
26.papercraftgames / folded-paper-engine
A custom Blender-to-Godot addon that makes level and gameplay creation as easy as a few clicks!
+7 stars
from 168 · score 2.08
27.BrokenGamesUG / delphi3d-engine
A 3D-graphic and game engine for Delphi and Windows.
+7 stars
from 79 · score 2.08
28.Colin4k1024 / AetherisArchived
Execution runtime for intelligent agents with event-sourced, recoverable task orchestration.
+7 stars
from 16 · score 2.08
29.TrianglyRU / OrbinautFramework
Fast. Light. Powerful. Spin your own classic Sonic masterpiece!
+6 stars
from 124 · score 1.95
30.gongminmin / KlayGE
KlayGE is a cross-platform open source game engine with plugin-based architecture.
+4 stars
from 2,171 · score 1.61
31.glumpy / glumpy
Python+Numpy+OpenGL: fast, scalable and beautiful scientific visualization
+4 stars
from 1,275 · score 1.61
32.Zal0 / ZGB
Game Boy / Color engine with lots of features
+4 stars
from 788 · score 1.61
33.cg-tuwien / Auto-Vk-Toolkit
Getting serious about Vulkan development with this modern C++ framework, battle-tested in rapid prototyping, research, and teaching. Includes support for real-time ray tracing (RTX), serialization, and meshlets.
+4 stars
from 444 · score 1.61
34.bonitasoft / bonita-engine
Deploy, execute, manage process-based applications made with Bonita studio or through Engine APIs
+4 stars
from 174 · score 1.61
35.Circular-Studios / Dash
A free and open 3D game engine written in D.
+3 stars
from 422 · score 1.39
36.Coldzer0 / QuickJS-Pascal
Quickjs FreePascal / Delphi Bindings
+2 stars
from 102 · score 1.10
37.celestia-island / hikari
A Rust UI framework built on WASI.
+2 stars
from 23 · score 1.10
38.natenho / Mockaco
🐵 HTTP mock server, useful to stub services and simulate dynamic API responses, leveraging ASP.NET Core features, built-in fake data generation and pure C# scripting
+1 stars
from 350 · score 0.69
39.ConstructCommunity / awesome-construct
A curated list of tools, tutorials, examples, and much more, for the awesome game development engines Construct 2 and Construct 3
+1 stars
from 95 · score 0.69
40.larpon / shy
Helps you being creative in V
+1 stars
from 62 · score 0.69