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Top 23 C++ Physic Projects
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Bullet
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
Physics and Game Engines: Implement high performance physics with Wasm-compiled versions of well established engines. For instance, Ammo.js is a Wasm version of the popular bullet physics engine written in C++.
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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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JoltPhysics
A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West.
Project mention: Jolt: Physics and collision detection library, used by Horizon Forbidden West | news.ycombinator.com | 2024-09-03 -
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FluidX3D
The fastest and most memory efficient lattice Boltzmann CFD software, running on all GPUs and CPUs via OpenCL. Free for non-commercial use.
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Folks who like this kind of thing should definitely check out CERN's Root framework. I've been using its C++ interpreter in a Jupyter notebook environment to learn C++. It's probably also quite a bit more mature than this project. https://root.cern/
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Simbody
High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton.
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CHRONO
High-performance C++ library for multiphysics and multibody dynamics simulations (by projectchrono)
Project mention: Projectchrono - an Open Source Multi-Physics Simulation Engine | news.ycombinator.com | 2025-03-29 -
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stuntrally
NOTE: development in stuntrally3 repo. 3D racing game based on VDrift and OGRE with own Track Editor. The main repository with Stunt Rally 2.x sources and data.
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Rythe-Engine
Rythe is a data-oriented C++20 game engine built to make optimal use of modern hardware.
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Open-Gamma-Detector
☢️👁️ Hardware for a hackable DIY gamma-ray spectrometer using a popular NaI(Tl) scintillator, SiPM and a Raspberry Pi Pico.
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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++ Physics discussion
C++ Physics related posts
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Projectchrono - an Open Source Multi-Physics Simulation Engine
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When Should I Use WebAssembly?
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MuJoCo Demo
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"A calculator app? Anyone could make that."
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Jolt: Physics and collision detection library, used by Horizon Forbidden West
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Box2D: Open-Source 2D Physics Engine for Game Developers
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Jolt Physics 5.1.0 brings soft body and improvements to character controller
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Index
What are some of the best open-source Physic projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Bullet | 13,381 |
| 2 | JoltPhysics | 7,876 |
| 3 | Piccolo | 6,231 |
| 4 | LiquidFun | 4,810 |
| 5 | FluidX3D | 4,419 |
| 6 | PhysX | 3,270 |
| 7 | root | 2,855 |
| 8 | godot-jolt | 2,410 |
| 9 | Simbody | 2,407 |
| 10 | CHRONO | 2,402 |
| 11 | pioneer | 1,726 |
| 12 | psi4 | 1,056 |
| 13 | sofa | 1,012 |
| 14 | GamePhysicsCookbook | 943 |
| 15 | gz-sim | 898 |
| 16 | stuntrally | 623 |
| 17 | harfang3d | 597 |
| 18 | Rythe-Engine | 536 |
| 19 | warpx | 347 |
| 20 | ofxBox2d | 323 |
| 21 | Physics3D | 317 |
| 22 | Open-Gamma-Detector | 296 |
| 23 | mujoco_wasm | 247 |
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