Everything is a node, allowing for easy iteration. Installation & System Requirements
If you are looking for free tools with commercial capabilities, you might consider: SideFX Houdini 19 Free Download
Houdini 19 set a high bar for proceduralism and simulation speed, making it an excellent starting point for aspiring FX artists. Everything is a node, allowing for easy iteration
Industry-standard tools for fire, smoke, water, and destruction (Pyro FX, Vellum). Rendering: Access to Karma and Mantra renderers. Limitations of the Free Version Everything is a node