There are 3 repositories under urdf topic.
Central repository for tools, tutorials, resources, and documentation for robotics simulation in Unity.
A fast and flexible implementation of Rigid Body Dynamics algorithms and their analytical derivatives
ROS-Industrial Universal Robots support (https://wiki.ros.org/universal_robot)
URDF Loaders for Unity and THREE.js with example ATHLETE URDF Files open sourced from NASA JPL
A curated list of awesome robot descriptions (URDF, MJCF)
A complete end-to-end demonstration in which we collect training data in Unity and use that data to train a deep neural network to predict the pose of a cube. This model is then deployed in a simulated robotic pick-and-place task.
Experimental packages for KUKA manipulators within ROS-Industrial (http://wiki.ros.org/kuka_experimental)
Converting OnShape assembly to robot definition (SDF or URDF) through OnShape API
Access 70+ robot descriptions from the main Python robotics frameworks
URDF importer
A generalized inverse kinematics solver that supports closed chains for parallel kinematics systems, dynamic reconfiguration, and arbitrary joint configuration based on damped least squares error minimization techniques
Multibody Dynamics Library designed for Free Floating Robots
ROS-Industrial Fanuc support (http://wiki.ros.org/fanuc)
ROS-Industrial Motoman support (http://wiki.ros.org/motoman)
Python inverse kinematics based on Pinocchio
Experimental packages for ABB manipulators within ROS-Industrial (http://wiki.ros.org/abb_experimental)
Utility to convert URDF files to Webots PROTO nodes
A bridge between ROS and PyBullet
Scripts to convert CAD to URDF files.
Collection of object models compatible with pybullet simulator https://github.com/bulletphysics/bullet3/tree/master/examples/pybullet
CHAMP Package Config Generator
Perseverance and Ingenuity URDF models used for operations visualization
A curated list of Unified Robot Description Format (URDF) libraries, tools and resources.
CROSS CAD and ROS, an Open-Source Synergy; ROS workbench for FreeCAD