Just refound on my computer this marvelous Particle 9 was free when I download it
but now it's 3 € 99 on Steam so some very low cost
;)
https://store.steampowered.com/app/497310/PD_Particles_9/

For general infos : https://www.thebest3d.com/pdp/index9.html

I could'nt resist to make 3 seconds painting! And close the Pandora 's Box! :)

Have fun!