Top MODELING GitHub Repositories & Tools (2026)

🚀 Efficient implementations for emerging model architectures

High-performance C++ library for multiphysics and multibody dynamics simulations

A modeling solution for BPMN, DMN, and Forms based on bpmn.io. As a companion tool to your favorite IDE it supports you in implementing solutions with Camunda.

Bayesian marketing toolbox in PyMC. Media Mix (MMM), customer lifetime value (CLV), buy-till-you-die (BTYD) models and more.

Umple: Model-Oriented Programming - embed models in code and vice versa and generate complete systems. Save yourself lots of coding. Do it collaboratively online in UmpleOnline, in an IDE or on the command line.

CADability is a pure .net class library for modeling and analyzing 3d data, both with your code and interactively. It comes with an optional Windows.Forms user interface, which can be adopted to other environments. It does not refer to other 3d modeling libraries. For data exchange you can use STEP, STL or DXF files.

a language for building system dynamic models

MCP server for Blender. 175 tools for modelling, materials, rendering and more, driven by Claude or any MCP client.

Warteschlangensimulator is a free, platform independent, discrete-event, stochastic simulator which allows to model queueing systems in form of flowcharts.

Legend Engine module

FMS, an agent-based Financial Market Simulator

Collaborative Multiphysics Cosimulator For Space Missions 🌎🚀🌚

An agent skill for Blender character creation and repair, with nine-view references, face and hair workflows, and visual validation.

Parametric CAD modeling with Lua

Artemis - Interactive Learning with Automated Feedback