BeepBox
beepbox.co
An in-browser chiptune music sequencer for composing retro 8-bit style music, with no account required and compositions shareable via URL.
Why it is useful
One of the most impressive browser-based music tools available — a full-featured chip music sequencer with pitch envelopes, effects, and multiple instrument channels, all stored in the URL so no account or file saving is needed. The output sounds like genuine Game Boy or NES music. For people curious about chiptune composition or game audio, it provides a complete creative environment in a single browser tab.