Roland 808303.studio - TR-808 drum machine and TB-303 bass synthesizer emulator
Mubert - Craft high-quality content using next-gen royalty-free music powered by AI.
Sampulator - Make (and record) beats on your keyboard
Axiom - Axiom is a general purpose Computer Algebra system.
MangoMoji - Combine emojis, make music 🎶
Type Drummer - Drum by typing