Long Bunny Labs provides procedural animation and VFX solutions for game development with Unity.
MudBun is a tool for procedurally generating volumetric VFX meshes.
Boing Kit is a tool for creating bouncy VFX. Bounce objects in response to their own movements, external effectors, or even throughout transform hierarchies (bouncy bones).
Squas & Stretch Kit
Squash & Stretch Kit is a tool for automatically generating one of the the most important animation effects, squash and stretch, in response to object movements.