Ancient Greek Calculator app released for Microsoft Windows.


True Time app released for Microsoft Windows. Ever wonder when exactly the true New Year comes?


Alternative Screensaver Starter app released for Microsoft Windows 10. Updated 15/01/2017!


Retina Calculator app released for Android devices.


A-Level Mathematics android app has more than 5000 active users. This app contains handwritten notes for maths revision.


Existon Internet Radio no longer streaming. Thank you all listeners!


Existon releases its first application for Android (Greek Namedays).


Gallery Manager 2.1 released! This software allows for easy management of contacts and works of art for art galleries. Keeps financial info for Greek Galleries


Final version of ISDN Superspy Plus released. An ISDN Modem (netmod) controller software with Caller ID and Settings configurator.

Everything Exists

 'Τα Πάντα Υπάρχειν'


Welcome to Existon! 


 I am an engineer in electronics and biotechnology, a physical scientist and also  a numerologist, graphologist, painter, artist, somewhat funny and somewhat hilarious, an anthropologist, science historian, universologist, reverse psychologist, master empathologist, project manager, consultant and I like athletics. I have a great interest in computers, technology, electronics and science and everything living. In the projects section you can find information on a few projects I have been involved with. Have a look at my CV here.

Crude Map of the Universe


Click this link to view on Wikipedia

To Code is to Create


Awesome !!!!

Donations welcome
$ ΙΒΑΝ GR4901401630163015100004802
Donations welcome € ΙΒΑΝ GR5401401630163002310029845