Data Apps & Dashboards for Python. No JavaScript Required.

Official mirror of Blender

A python parametric CAD scripting framework based on OCCT

Constraint-based geometry sketcher for blender

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

Gaphor is the simple modeling tool

The official repository for the gem5 computer-system architecture simulator.

Convert statistical analysis objects from R into tidy format

Model-rocketry aerodynamics and trajectory simulation software

The Legend project

轻量级DDD正向/逆向业务建模框架，支撑复杂业务系统的架构演化！

BRMW is a free open source entity-relationship database modeling tool. We're working to make learning database modeling simple and accessible for everyone.

A Full Live-Scripted CAD Kernel in the Browser

GemPy is an open-source, Python-based 3-D structural geological modeling software, which allows the implicit (i.e. automatic) creation of complex geological models from interface and orientation data. It also offers support for stochastic modeling to address parameter and model uncertainties.

A JavaScript framework to create and visualize 3D models.

Next generation High-Power Rocketry 6-DOF Trajectory Simulation

A desktop application for fast UML diagramming.

Pynamical is a Python package for modeling and visualizing discrete nonlinear dynamical systems, chaos, and fractals.

Fastest-lap is a vehicle dynamics simulator. It can be used to understand vehicle dynamics, to learn about driving techniques, to design car prototypes, or just for fun!