Open Source. Security. Transparency. Sustainability.

Feilner IT is a company from Regensburg, Bavaria. Founded by its Owner Markus Feilner in the year 2000, its roots date back to the early nineties, the foundations of the internet and the success of Linux and Open Source. In word and writing, Feilner IT has always focused on explaining technology and delivering long-term, sustainable and scalable solutions.

Feilner IT
Wöhrdstraße 10
93059 Regensburg


Phone: +49 170 302 70 92

Markus Feilner is directly available for you on a variety of internet services:

Fediverse: (run by Feilner IT)
Twitter: @mfeilner
IM/Riot/Jabber, anywhere: mfeilner (e.g.

For compliance with German and European law (and to protect your rights), we are not on Facebook, Whatsapp or similar insecure or uncompliant channels.