Built for the underground.

Subwoofer placement with real-time heatmap. Indoor, outdoor, custom rooms. Multi-sub, delay, SPL.

How many kW does your generator need? Add speakers, lights, DJ gear — calculate the right generator size.

Create DJ lineups: stages, slots, times. Drag & drop. Export as PDF or PNG.

Distribute tasks, create checklists. Who sets up, who runs the bar, who cleans up.

Harm reduction: substances, interactions, first aid, drug checking. Factual, serious.

What to do when police arrive? Your rights as organizer & guest. DE/AT/CH.