The Jupitar-X tabletop synth is a monophonic synth with a single Juno DCO voice available ready-built or as a kit from Jan Ostman at DSP Synthesizers
Also available is the extremely tiny (65x60mm) Jano-X synth
Pricing and Availability:
Jupitar-X : $330 ready built or $235 for a kit including all parts, knobs, box and frontpanel.
Order from DSP Synthesizers
Seamless audio and MIDI switchover between computers
Using Chains and automation to switch keyboard setups