Ocean beta - Make music with friends in your browser
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
iO-808 - Rhythm composer modeled after Roland's TR-808 drum machine.
code-ray - Live debugging tool for software developers
Music Box Fun - Make and share music box songs online
Reactime - Time travel debugging tool, visualizing and tracing state