Packages 
Package Description
com.jme3.bullet
PhysicsSpace and some associated classes and interfaces.
com.jme3.bullet.animation
A dynamic animation control and some associated classes.
com.jme3.bullet.collision
Classes and interfaces associated with physics-oriented collision detection and ray/sweep tests.
com.jme3.bullet.collision.shapes
Collision shapes, used to describe the shapes of Bullet collision objects other than soft bodies.
com.jme3.bullet.collision.shapes.infos
Auxiliary classes that relate to collision shapes.
com.jme3.bullet.control
Physics controls, used to link Bullet collision objects to particular spatials in a jMonkeyEngine scene graph.
com.jme3.bullet.debug
Visualize physics objects for debugging.
com.jme3.bullet.joints
Physics joints based on Bullet's btTypedConstraint.
com.jme3.bullet.joints.motors
Classes that provide access to the motors in a SixDofJoint or New6Dof.
com.jme3.bullet.objects
Collision-object classes.
com.jme3.bullet.objects.infos
Auxiliary classes that relate to collision objects.
com.jme3.bullet.util
Utility classes for Bullet physics and related classes.
jme3utilities.minie
Bullet physics support for jMonkeyEngine3.
vhacd
Java API for Khaled Mamou’s Volumetric-Hierarchical Approximate Convex Decomposition (V-HACD) algorithm.