Developer Tools●●●Banger
Crashcat – Lightweight 3D physics for JavaScript
Pure JS physics with CCD and shapecasting, skips the 3MB WASM tax.
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isaac_mason_
104mo ago
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GitHub Repository
Compact implementation of spatial algebra, and Featherstone's articulated-body algorithm (ABA), composite rigid body algorithm (CRBA), and the recursive Newton-Euler algorithm (RNEA) with end-to-end automatic differentiability (AD). Depends on STL, GLM and autodiff libraries.
19 starsC++
ARB – A Differentiable Rigid Body Simulation Library Using C++23
by wbyates777·Jun 11, 2026·2 points·1 comment
AI Analysis
●●SolidWizardryNiche Gem
C++ rigid body simulation with end-to-end automatic differentiation for ML.
Strengths
- •Implements ABA, CRBA, and RNEA algorithms with automatic differentiation support
- •URDF parser allows importing standard robot models easily
Weaknesses
- •Niche audience limits broader adoption beyond robotics and graphics
- •Competes with established engines like MuJoCo and Brax
Category
Target Audience
Robotics engineers, graphics programmers, ML researchers
Similar To
MuJoCo · Brax · Bullet Physics
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