Chirpy
4-channel chiptune step sequencer
Punch holes in a paper strip. A reader bar plays what is left: two pulse voices, a triangle and a noise kit. One file, no libraries, nothing to install.
Loaded from link. Editing will replace your saved pattern.
Blank strip. Click a cell to punch it, or press Random for a starting phrase.
Click or drag to punch. Each pitched channel plays one note per step; the noise kit can hit several lanes at once. Arrow keys move, Enter punches, P or Space plays and stops.