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Top 23 C++ Engine Projects
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Project mention: Tiny renderer or how OpenGL works: software rendering in 500 lines of code | news.ycombinator.com | 2025-03-13
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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bgfx
Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.
Project mention: Layers All the Way Down: The Untold Story of Shader Compilation | news.ycombinator.com | 2025-05-18BGFX (https://github.com/bkaradzic/bgfx) uses a different approach. You basically write your shader in a GLSL-like language but it's all just (either very clever or very horrible) macro expansions that handles all the platform differences.
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cocos-engine
Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Empowering millions of developers to create high-performance, engaging 2D/3D games and instant web entertainment.
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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! ;)
View the Project on GitHub
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Project mention: Antirez/load81: SDL based Lua programming environment for kids similar to Codea | news.ycombinator.com | 2024-10-26
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Project mention: ObEngine VS cerlib - a user suggested alternative | libhunt.com/r/ObEngine | 2024-10-29
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Project mention: Show HN: Phobos – an engine extension for Red Alert 2: Yuri's Revenge | news.ycombinator.com | 2024-09-24
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Engine discussion
C++ Engine related posts
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Layers All the Way Down: The Untold Story of Shader Compilation
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Bgfx: Cross-platform, graphics API agnostic rendering library
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Orthodox C++
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Abstraction arround CommandBuffers and Queues
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Is it possible and realistic to learn independent of an API?
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I would say to Unity developers, don't use Godot.
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How to Ride like a Cop [video]
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A note from our sponsor - SaaSHub
www.saashub.com | 23 May 2025
Index
What are some of the best open-source Engine projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | tinyrenderer | 21,879 |
| 2 | bgfx | 15,725 |
| 3 | engine-sim | 8,921 |
| 4 | cocos-engine | 8,669 |
| 5 | GamePlay | 4,624 |
| 6 | Ogre 3D | 4,232 |
| 7 | xray-16 | 3,218 |
| 8 | corona | 2,642 |
| 9 | SpartanEngine | 2,441 |
| 10 | KlayGE | 2,137 |
| 11 | TinyEngine | 1,073 |
| 12 | gemrb | 1,062 |
| 13 | sofa | 1,012 |
| 14 | ObEngine | 831 |
| 15 | krkrz | 794 |
| 16 | TES3MP | 786 |
| 17 | ZGB | 737 |
| 18 | vulkanizer | 605 |
| 19 | tyra | 591 |
| 20 | OGSR-Engine | 515 |
| 21 | Yave | 478 |
| 22 | doom-nano | 346 |
| 23 | Phobos | 345 |
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