PatternSketch - Online HTML5/JavaScript drum machine and sequencer influenced by Roland TR-808 and TR-909. Create, save, edit drum loops. Export and download patterns to wav, ogg or mp3 formats.

Groove Pizza is a playful tool for creating grooves using math concepts like shapes, angles, and patterns. Start working with one of the special pizza presets and add/remove toppings to adjust the groove, or click on the Shape Pizza tab and drag various shapes onto the big circle to play and explore math-inspired grooves. Share your creation on social media, or continue your groove over at the online digital audio workstation at Soundtrap.com.

Advanced drum-machine for smartphone, tablet and desktop browsers. Create and share compositions. Explore air drumming and filter effects.