Christoph Kummer's following
- Aaron Pareckiaaronpk
- adrianmathys
- Besibesi
- Brendan Greggbrendangregg
- Dr PhilMorphccadic
- Marc Dusseillerdusjagr
- Flipper Devicesflipperdevices
- Reto Gantenbeinganto
- Urs GaudenzGaudiLabs
- John Barkeriamjohnbarker
- Magnus Lübeckmaglub
- Make MagazinMakeMagazinDE
- SensorsIOTSensorsIot
- Swiss Mechatronic Art Societysgmk
- stahlstahlnow
- Thomas Ambergtamberg
- Marcus Hirtthegreystone
