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Top 23 C++ unreal-engine Projects
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AirSim
Open source simulator for autonomous vehicles built on Unreal Engine / Unity, from Microsoft AI & Research
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JetBrains
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ALS-Community
Replicated and optimized community version of Advanced Locomotion System V4 for Unreal Engine 5.4 with additional features & bug fixes
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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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Unreal-Engine-Guide
Unreal Engine 5 Guide. Learn to develop games for Windows, Linux, macOS, iOS, Android, Xbox Series X|S, PlayStation 5, Nintendo Switch.
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AsyncLoadingScreen
Async Loading Screen is a free and open-source plugin for Unreal Engine. Async Loading Screen allows you to easily configure a Loading Screen System in the project settings, and automatically add a Loading Screen whenever you open a new level, without Level Streaming.
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EternalCrusadeResurrection
Unreal Engine 5 multiplayer shooter C++ project, resurrection of Warhammer 40K: Eternal Crusade. Developed using "UE best practices" from Lyra for a more complex behaviour
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Sevalla
Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!
C++ unreal-engine discussion
C++ unreal-engine related posts
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How to prevent/resolve merge conflicts with blueprints? (UE5)
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Help with ProjectBorealis/UEGitPlugin
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So You've Decided to Move from Unity to Unreal Engine
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How the heck do you get UE5 to behave with Git?
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Does anyone know how to extract texture files from Infinite?
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How to store a datatype as a variable?
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3D models
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A note from our sponsor - JetBrains
surveys.jetbrains.com | 31 Aug 2025
Index
What are some of the best open-source unreal-engine projects in C++? This list will help you:
# | Project | Stars |
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1 | AirSim | 17,439 |
2 | ActionRoguelike | 4,132 |
3 | UEVR | 3,757 |
4 | UEViewer | 2,667 |
5 | ALS-Community | 2,455 |
6 | RealtimeMeshComponent | 1,666 |
7 | VoxelPluginFreeLegacy | 1,653 |
8 | FlowGraph | 1,595 |
9 | HoudiniEngineForUnreal | 1,486 |
10 | PBCharacterMovement | 1,386 |
11 | Unreal-Engine-Guide | 1,330 |
12 | unrealcpp | 1,295 |
13 | ALS-Refactored | 1,212 |
14 | SideFXLabs | 1,127 |
15 | AsyncLoadingScreen | 969 |
16 | ue5coro | 921 |
17 | UEGitPlugin | 862 |
18 | GenericGraph | 726 |
19 | UEGitPlugin | 694 |
20 | SimpleFPSTemplate | 666 |
21 | UE4VoxelTerrain | 588 |
22 | EternalCrusadeResurrection | 375 |
23 | UltimateStarterKit | 350 |