Evidence

Verified, not claimed

This page lists only what you can check for yourselves: the register entry, certifications, open code and the setup I work on myself. Everything else belongs in a conversation.

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Company: Stiebitz Souverain Systems UG (haftungsbeschränkt)verifiable at Commercial register
Register: Local Court Potsdam (Amtsgericht), HRB 42359 Pverifiable at Commercial register
VAT ID: DE465194385verifiable at BZSt / VIES
Managing director: André Stiebitzverifiable at Commercial register
Registered office: Potsdam, Brandenburgverifiable at Imprint
Certifications: CompTIA A+, Network+, Security+verifiable at CompTIA
In-house use: The company itself runs on exactly this setup: its own cloud, document archive, password safe and invoicing on its own server, administered only through VPN. What I set up for you, I use myself every day.daily
Confidential: OpenPGP key with fingerprint

Tools of my own, open code

I build what I need myself and publish the tools openly, so you can use them the same way.

siteBits
EUPL-1.2

Laser scans and drone footage in the browser: point clouds, panoramas, geolocated photos and measurements for anyone who surveys buildings, on your own server.

From the 3D capture of buildings and monuments

sitebits.de Code
Learning (learning-nc)
AGPL-3.0

Learning app for Nextcloud: flashcards with spaced repetition, exam simulator, scenarios from real IT incidents, verifiable certificates, for teams with mandatory training, on your server.

From my own preparation for IT certifications

Nextcloud App Store Code
panolapse
MIT

360° time-lapses from stitched panoramas on Linux: smoothing flicker, camera moves via keyframes, various projections, for anyone who photographs 360° panoramas.

From my own 360° photography

Code

I am not a programmer in the classic sense and say so openly: I build these tools with AI assistance, and I check and test them myself. The code is public under free licences, so anyone can look.

On the way

The company is new. There are no client references yet, so here is the road that led here, in four stops.

since 2007: Photographer, self-employed since 2012 Started around 2007 with a photo blog, panoramas since 2008, self-employed since 2012. From 2013 to 2025 I worked for marketing, museums, heritage conservation and the state parliament in Potsdam and Brandenburg, often panoramas and aerial photographs, which means large volumes of data and a lot of technology. Photography references on andrestiebitz.de
since mid-2025: Own infrastructure Since mid-2025 I have run my own infrastructure myself, on the same setup I install for you.
July 2026: Registered as a company Entered in the commercial register at Potsdam local court, HRB 42359 P. Since October 2026 I publish my own tools openly, siteBits and others, listed further up on this page.
next: Reference no. 1 This spot is open. Clients appear here only once they have agreed. Entry 1: vacant

If you want to be the first, just get in touch, the waiting list is short at the moment.

Company details

siteBits

Learning (learning-nc)

panolapse