Deluge is a powerful commercial hardware groovebox/synthesizer/sequencer. The manufacturer opened up the firmware after they sold the device for a while. So the

Deluge is a powerful commercial hardware groovebox/synthesizer/sequencer. The manufacturer opened up the firmware after they sold the device for a while. So the name Deluge is an established product name in a completely different namespace. Even trademarks wouldn't help you protect against this kind name collision because they are only valid for their registered product categories.