FWsim is a freeware application for creating virtual Firework displays with music. It includes a firework shell editor. You can combine any components (e.g. bursting charges, burning stars, tails, crackling and ascent effects) to build almost any pyrotechnic article. More components will be included in the future. You can create HD videos from your fireworks (e.g. for YouTube).
Features:
High-Performance simulation of fireworks
High-Quality rendering with smoke and glow
Modular firework shell editor
Firework Show Editor with Music, Automatic Steppers and Batteries
Realistic Physics
Real Recorded Sounds