You can still get the and thousands of others for free.
Before the official forum migration and software sale, independent users on the particleillusion.com forums (now defunct/migrated) created "User Libraries." You can still get the and thousands of others for free
Below is a comprehensive, long-form article optimized around that keyword, written for VFX hobbyists, motion graphics designers, and retro-digital archivers. long-form article optimized around that keyword
Long before After Effects had its built-in particle systems, before Trapcode Particular became an industry standard, there was – a standalone particle generator that could create breathtaking fire, smoke, sparkles, explosions, and abstract motion graphics in real time. Originally developed by Wondertouch and later acquired by GenArts (and now owned by Boris FX), ParticleIllusion revolutionized 2D particle effects for early 2000s compositing. written for VFX hobbyists