Houdini

"Houdini" most commonly refers to , a powerhouse 3D software used for visual effects (VFX) in major films and games. However, the name also identifies a modern web development initiative called CSS Houdini.

Every action you take is a "node" in a network. If you model a building and decide to change the base shape later, you don't have to start over; you just swap the first node, and the change "cascades" through the rest of the network. Houdini