Eddy for Nuke, by VortechsFX is a plugin for simulating gaseous phenomena inside of Nuke. Eddy makes it possible to work with smoke, fire and similar gaseous fluid sims fast and interactively, enabling new workflows not previously possible.
In addition to simulating and creating gaseous fluid effects, Eddy is also a physically based volume renderer and compositing system. Full features and examples listed below.
Eddy for Nuke tutorials
Eddy is written entirely on the GPU. This is the start of an interesting journey and a new paradigm in solving complex VFX simulation challenges.