Synthonia by S4K is an online resource dedicated to all keyboard players and developers of applications for electronic musical instruments.

We would like to hear from any sound designers who have the knowledge and experience to design professional quality sounds using different synthesis engines and workstations and would like to make them available for purchase under the Synthonia brand. All sounds will be evaluated by our team before being accepted.

Joining Synthonia will enable you to have your apps or your patches easily accessible by a vast number of potential buyers. Selling your patches directly through our Marketplace is easy and allows you to earn SynthCoins that you can use to buy musical instruments or other software packages. Be a Pro... Be Synthonized!

Register FREE and get 5 SynthCoins BONUS!
Earn other 1 SynthCoin for each friend who joins the community!