Volt - Volt is a reactive web framework where Ruby code runs both on the server and the client (via opal).
OnlineSequencer.net - OnlineSequencer.net is an online music sequencer that allows users to create beats and music tracks.
Grid50 - The Marketplace for Photographers & Videographers
Jummbox - A modified Beepbox that have more stuff then Beepbox. It can be used just like Beepbox. The features of Jummbox is the same of Beepbox's features, but Jummbox have more stuff to offer.
KitSplit - Airbnb for creative equipment - rent cameras, drones & more
AudioSauna - AudioSauna is a full-featured audio workstation for making music online.