1.google-deepmind / mujoco
Multi-Joint dynamics with Contact. A general purpose physics simulator.
+606 stars
from 15,446 · score 6.41
Trending repositories
Ranked by Attention Score: stars gained over the last 30 complete days
77 repositories by Attention Score · Oct 5, 2026 – Nov 3, 2026 (UTC)
+412 stars
from 28,631 · score 6.02
3.google / or-tools
Google's Operations Research tools:
- combinatorial-optimization
- linear-programming
- operations-research
- optimization
- or-tools
+179 stars
from 14,144 · score 5.19
4.NVIDIA / cutlass
CUDA Templates and Python DSLs for High-Performance Linear Algebra
- cuda
- deep-learning
- deep-learning-library
- cpp
- nvidia
- gpu
- +1 more
+174 stars
from 10,518 · score 5.16
5.isl-org / Open3D
Open3D: A Modern Library for 3D Data Processing
- mesh-processing
- computer-graphics
- opengl
- cpp
- python
- reconstruction
- +14 more
+148 stars
from 14,024 · score 5.00
+139 stars
from 12,738 · score 4.94
7.projectchrono / chrono
High-performance C++ library for multiphysics and multibody dynamics simulations
- simulation
- physics-simulation
- modeling
- robotics
- physics-engine
- multibody-dynamics
- +4 more
+75 stars
from 3,065 · score 4.33
8.stack-of-tasks / pinocchio
A fast and flexible implementation of Rigid Body Dynamics algorithms and their analytical derivatives
- robotics
- dynamics
- analytical-derivatives
- kinematics
- c-plus-plus
- rigid-body-dynamics
- +11 more
+66 stars
from 3,770 · score 4.20
9.Slicer / Slicer
Multi-platform, free open source software for visualization and image computing.
- medical-imaging
- vtk
- itk
- python
- qt
- image-processing
- +14 more
+61 stars
from 2,642 · score 4.13
+48 stars
from 11,239 · score 3.89
11.CGAL / cgal
The public CGAL repository, see the README below
- cgal
- c-plus-plus
- geometry
- algorithms
- library
- cpp
- +11 more
+48 stars
from 6,058 · score 3.89
12.lammps / lammps
Public development project of the LAMMPS MD software package
- molecular-dynamics
- lammps
- simulation
- kokkos
+45 stars
from 3,077 · score 3.83
13.google / draco
Draco is a library for compressing and decompressing 3D geometric meshes and point clouds. It is intended to improve the storage and transmission of 3D graphics.
- point-cloud
- 3d-graphics
- compression
- mesh
+44 stars
from 7,497 · score 3.81
14.RigsOfRods / rigs-of-rods
Main development repository for Rigs of Rods soft-body physics simulator
- physics-simulation
- sandbox-game
- soft-bodies
- trucks
- trailers
- trains
- +3 more
+37 stars
from 1,250 · score 3.64
15.cvxpy / cvxpy
A Python-embedded modeling language for convex optimization problems.
- python
- cvxpy
- optimization
- modeling-language
- convex-optimization
- mathematical-optimization
- +2 more
+34 stars
from 6,351 · score 3.56
16.sofa-framework / sofa
Real-time multi-physics simulation with an emphasis on medical simulation.
- real-time
- simulation
- medical
- physics
- cpp
- framework
- +3 more
+31 stars
from 1,267 · score 3.47
17.idaholab / moose
Multiphysics Object Oriented Simulation Environment: A robust, modern, extendable, finite element/finite volume framework that excels at creating complex multiphysics simulations.
- multiphysics
- simulation
- fem
- finite-elements
- object-oriented
- parallel
- +2 more
+30 stars
from 2,370 · score 3.43
18.casadi / casadi
CasADi is a symbolic framework for numeric optimization implementing automatic differentiation in forward and reverse modes on sparse matrix-valued computational graphs. It supports self-contained C-code generation and interfaces state-of-the-art codes such as SUNDIALS, IPOPT etc. It can be used from C++, Python, Matlab/Octave, Julia or Javascript
- optimization
- nonlinear
- derivatives
- code-generation
- numerical-calculations
- academic-project
- +14 more
+28 stars
from 2,300 · score 3.37
19.mfem / mfem
Lightweight, general, scalable C++ library for finite element methods
- finite-elements
- high-order
- high-performance-computing
- parallel-computing
- amr
- computational-science
- +5 more
+27 stars
from 2,256 · score 3.33
+26 stars
from 5,095 · score 3.30
21.KratosMultiphysics / Kratos
Kratos Multiphysics (A.K.A Kratos) is a framework for building parallel multi-disciplinary simulation software. Modularity, extensibility and HPC are the main objectives. Kratos has BSD license and is written in C++ with extensive Python interface.
- kratos
- fem
- dem
- parallel-computing
- openmp
- numerical-methods
- +7 more
+24 stars
from 1,368 · score 3.22
22.dealii / dealii
The development repository for the deal.II finite element library
- finite-elements
- c-plus-plus
- fem
- hpc
- parallel-computing
- scientific-computing
- +1 more
+23 stars
from 1,731 · score 3.18
23.pioneerspacesim / pioneer
A game of lonely space adventure
- game
- space
- simulation
- simulator
- exploration
- elite
- +5 more
+20 stars
from 1,912 · score 3.04
24.openbabel / openbabel
Open Babel is a chemical toolbox designed to speak the many languages of chemical data.
- chemistry
- chemical-data
- cheminformatics
- c-plus-plus
- chemical-toolbox
+20 stars
from 1,386 · score 3.04
25.BrunoLevy / geogram
a programming library with geometric algorithms
- graphics-libraries
- graphics-programming
- mesh-generation
- mesh-processing
- geometry-processing
+19 stars
from 2,553 · score 3.00
26.google / s2geometry
Computational geometry and spatial indexing on the sphere
- geometry
- spherical-geometry
- s2
- spatial-indexing
+17 stars
from 2,730 · score 2.89
27.simbody / simbody
High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton.
- multibody-dynamics
- physics-engine
- physics-simulation
- robotics
- biomechanics
+15 stars
from 2,554 · score 2.77
28.PixarAnimationStudios / OpenSubdiv
An Open-Source subdivision surface library.
+14 stars
from 3,075 · score 2.71
29.microsoft / DirectXMath
DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps
+12 stars
from 1,804 · score 2.56
30.precice / precice
A coupling library and ecosystem for partitioned multi-physics and multi-scale simulations, including surface and volume coupling.
- multi-physics
- fluid-structure-interaction
- high-performance-computing
- conjugate-heat-transfer
- coupling
- co-simulation
- +13 more
+12 stars
from 975 · score 2.56
31.gromacs / gromacs
Public/backup repository of the GROMACS molecular simulation toolkit. Please do not mine the metadata blindly; we use https://gitlab.com/gromacs/gromacs for code review and issue tracking.
+12 stars
from 962 · score 2.56
32.RainerKuemmerle / g2o
g2o: A General Framework for Graph Optimization
- g2o
- slam
- c-plus-plus
- graph-optimization
- cpp
+10 stars
from 3,468 · score 2.40
33.symengine / symengine
SymEngine is a fast symbolic manipulation library, written in C++
- math
- computer-algebra
- c-plus-plus
+10 stars
from 1,416 · score 2.40
34.psi4 / psi4
Open-Source Quantum Chemistry – an electronic structure package in C++ driven by Python
- quantum-chemistry
- c-plus-plus
- python
- computational-chemistry
- chemistry
- physics
+10 stars
from 1,225 · score 2.40
35.hjwdzh / QuadriFlow
QuadriFlow: A Scalable and Robust Method for Quadrangulation
- quadriflow
- quad
- remeshing
- quadrangulation
- geometry
+10 stars
from 872 · score 2.40
36.arrayfire / arrayfire
ArrayFire: a general purpose GPU library.
+8 stars
from 4,900 · score 2.20
37.dpilger26 / NumCpp
C++ implementation of the Python Numpy library
- python
- numpy
- c-plus-plus
- numerical-analysis
- scientific-computing
- algorithms
- +3 more
+8 stars
from 3,961 · score 2.20
38.xtensor-stack / xtensor
C++ tensors with broadcasting and lazy computing
- c-plus-plus-14
- numpy
- multidimensional-arrays
- tensors
- c-plus-plus-17
- c-plus-plus-20
- +1 more
+8 stars
from 3,764 · score 2.20
39.auto-differentiation / xad
The fastest automatic differentiation library for C++, with Python bindings. Forward, adjoint and higher-order derivatives, checkpointing, Eigen support and JIT. Reproducible benchmarks against CppAD, Adept and autodiff.
- automatic-differentiation
- aad
- algorithmic-differentiation
- autodiff
- adjoint
- cpp
- +14 more
+8 stars
from 431 · score 2.20
40.TileDB-Inc / TileDB
The Universal Storage Engine
- tiledb
- arrays
- storage-engine
- scientific-computing
- data-analysis
- hdfs
- +7 more
+7 stars
from 2,083 · score 2.08
41.DTolm / VkFFT
Vulkan/CUDA/HIP/OpenCL/Level Zero/Metal Fast Fourier Transform library
+7 stars
from 1,780 · score 2.08
42.trilinos / Trilinos
Primary repository for the Trilinos Project
- snl-science-libs
- sandia-national-laboratories
- hpsf
- scientific-computing
- high-performance-computing
- c-plus-plus
- +2 more
+7 stars
from 1,435 · score 2.08
+7 stars
from 1,143 · score 2.08
44.vincentlaucsb / csv-parser
A modern C++ CSV parser and serializer that doesn't make you choose between ease of use or performance.
- csv
- parser
- json
- tab-separated
- csv-parser
- statistics
- +5 more
+7 stars
from 1,130 · score 2.08
45.ginkgo-project / ginkgo
Numerical linear algebra software package
- linear-algebra
- hpc
- gpu-computing
- cuda
- krylov-methods
- preconditioning
- +6 more
+7 stars
from 623 · score 2.08
46.epam / Indigo
Universal cheminformatics toolkit, utilities and database search tools
- indigo
- bingo
- cheminformatics
- chemistry
- python
- dotnet
- +9 more
+7 stars
from 408 · score 2.08
47.DLR-SC / tigl
The TiGL Geometry Library to process aircraft geometries in pre-design.
- opencascade
- aircraft
- c-plus-plus
- geometry
- b-spline
- cpacs
- +1 more
+7 stars
from 303 · score 2.08
48.GeomScale / volesti
Practical volume computation and sampling in high dimensions
- geometry
- statistics
- polyhedral-computations
- random-walk
- sampling
- volume
- +6 more
+6 stars
from 189 · score 1.95
49.NVIDIA / MatX
An efficient C++20 GPU numerical computing library with Python-like syntax
+5 stars
from 1,447 · score 1.79
50.softwareQinc / qpp
Modern C++ quantum computing library
- quantum-computing
- c-plus-plus
- cpp
- cpp11
- quantum
- simulator
- +2 more
+5 stars
from 673 · score 1.79
51.GlPortal / glPortal
:video_game: Open Source teleportation based first person puzzle-platformer
+5 stars
from 384 · score 1.79
52.nasa / trick
Trick Simulation Environment. Trick provides a common set of simulation capabilities and utilities to build simulations automatically.
+5 stars
from 175 · score 1.79
53.boostorg / compute
A C++ GPU Computing Library for OpenCL
- opencl
- boost
- c-plus-plus
- cpp
- compute
- gpu
- +3 more
+4 stars
from 1,662 · score 1.61
54.gvinciguerra / PGM-index
🏅State-of-the-art learned data structure that enables fast lookup, predecessor, range searches and updates in arrays of billions of items using orders of magnitude less space than traditional indexes
- data-structures
- database
- cpp
- research
- indexing
- big-data
- +8 more
+4 stars
from 874 · score 1.61
55.Martinsos / edlib
Lightweight, super fast C/C++ (& Python) library for sequence alignment using edit (Levenshtein) distance.
- sequence-alignment
- edit-distance
- levehnstein-distance
- library
- c-plus-plus
- alignment-path
- +2 more
+4 stars
from 608 · score 1.61
56.erayzesen / QuarkPhysics
A 2D Soft Body and Rigid Body Physics Engine.
- 2d-physics-engine
- game-development
- physics-engine
- rigid-bodies
- soft-bodies
- physics-simulation
+4 stars
from 296 · score 1.61
57.ddemidov / amgcl
C++ library for solving large sparse linear systems with algebraic multigrid method
- amg
- c-plus-plus
- sparse-linear-systems
- opencl
- cuda
- gpgpu
- +6 more
+3 stars
from 882 · score 1.39
58.yixuan / spectra
A header-only C++ library for large scale eigenvalue problems
- eigenvalues
- arpack
- linear-algebra
- spectra
- header-only
+3 stars
from 866 · score 1.39
59.johnmcfarlane / cnl
A Compositional Numeric Library for C++
+3 stars
from 693 · score 1.39
60.vcflib / vcflib
C++ library and cmdline tools for parsing and manipulating VCF files with python and zig bindings
- variant-calling
- genomics
- vcf-manipulation
- genotyping
- haplotypecaller
+3 stars
from 686 · score 1.39
61.harfang3d / harfang3d
HARFANG 3D source code public repository
+3 stars
from 659 · score 1.39
62.romeric / Fastor
A lightweight high performance tensor algebra framework for modern C++
+2 stars
from 843 · score 1.10
63.jianboqi / CSF
LiDAR point cloud ground filtering / segmentation (bare earth extraction) method based on cloth simulation
+2 stars
from 650 · score 1.10
64.robotology / yarp
YARP - Yet Another Robot Platform
- middleware
- yarp
- robotics-libraries
- robotics
- devices
- humanoids
- +8 more
+2 stars
from 604 · score 1.10
65.kthohr / stats
A C++ header-only library of statistical distribution functions.
- stats
- cpp
- constexpr
- numerical-methods
- probability
- distributions
- +12 more
+2 stars
from 557 · score 1.10
66.esa / pygmo2
A Python platform to perform parallel computations of optimisation tasks (global and local) via the asynchronous generalized island model.
- optimization
- optimization-algorithms
- optimization-methods
- optimization-problem
- evolutionary-algorithms
- multiobjective-optimization
- +9 more
+2 stars
from 542 · score 1.10
67.DmitriBogdanov / UTL
Collection of self-contained header-only libraries for C++17
+2 stars
from 335 · score 1.10
68.jimmyorourke / plotlypp
Plotly for C++. A C++ interface to the Plotly.js figure spec, for creating interactive data visualizations.
- charts
- cpp
- graphs
- plotly
- plotting
- visualization
- +4 more
+2 stars
from 146 · score 1.10
69.meshpro / pygalmesh
:spider_web: A Python interface to CGAL's meshing tools
- mesh
- mesh-generation
- mathematics
- engineering
- python
- cgal
- +1 more
+1 stars
from 668 · score 0.69
70.stuntrally / 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.
- game
- ogre3d
- cpp
- editor
- simulation
- 3d
- +14 more
+1 stars
from 645 · score 0.69
71.CheckPointSW / showstopper
ShowStopper is a tool for helping malware researchers explore and test anti-debug techniques or verify debugger plugins or other solutions that clash with standard anti-debug methods.
+1 stars
from 226 · score 0.69
72.ckormanyos / wide-integer
Wide-Integer implements a generic C++ template for uint128_t, uint256_t, uint512_t, uint1024_t, etc.
- high-performance
- embedded-systems
- multiprecision
- numerical
- uint128
- uint256
- +6 more
+1 stars
from 226 · score 0.69
73.mapbox / wagyu
A general library for geometry operations of union, intersections, difference, and xor
- computational-geometry
- union
- intersection
- xor
- geometry
- difference
- +1 more
+1 stars
from 197 · score 0.69
74.hpddm / hpddm
A framework for high-performance domain decomposition methods.
- c-plus-plus
- linear-algebra
- python
- fortran
- c
- freefem
- +4 more
+1 stars
from 160 · score 0.69
75.MengeCrowdSim / Menge
The source code for the Menge crowd simulation framework
+1 stars
from 154 · score 0.69
76.sebsjames / mathplot
C++ modules for plotting, graphing and data visualization
- 2d
- 3d
- cplusplus
- cplusplus-20
- data-visualization
- graphics
- +8 more
+1 stars
from 66 · score 0.69
77.gistrec / geo-utils-cpp
Tiny header-only C++17 library for lat/lng geometry: distance, bearing, area, point-in-polygon and path proximity
- cpp
- geometry
- geospatial
- gis
- gps
- haversine
- +9 more
+1 stars
from 54 · score 0.69