What I have built
Company websites, sales systems, desktop apps and custom AI agents. Each project says what the problem was and how it turned out. Where there is a public product, open source code or a write-up, it links straight to it — that is stronger proof than any wording.
PromptLab Subtitler Pro
Windows application for subtitling video: speech transcription, translation and animated subtitles. The whole job runs on your own machine.
Transcription, translation and 14 animated subtitle styles — no subscription and the video never leaves the machine.
See the product →
MPM Servis s.r.o.
A complete website for a family roofing and sheet-metal company from Karlovy Vary, with 25 years in the trade. Structure, copy and design built from scratch.
Four trades, a scaffolding rental and a gallery of finished work on one site — with a quote form on every page.
Open the site →
fotozije.cz
Self-service web app for restoring old and damaged photographs. The visitor uploads a photo, pays with credits and downloads the result.
Runs unattended, data stays in the EU, GDPR handled.
How it works →
PEPAGI
Multi-agent orchestrator that picks a suitable model for each task and checks its own output afterwards.
Open source: 43 stars and 14 forks on GitHub. Coordinates Claude, GPT, Gemini and local models.
Read how it was built →
Higgs Audio Studio
Web interface for Czech speech synthesis on the Higgs Audio v3 model: text to speech, voice cloning and dubbing, all on your own graphics card.
20 stars and 5 forks on GitHub. Code under MIT, interface in Czech.
See it on GitHub →
PocketComfy
Native Android client for your own ComfyUI server. The phone works as a remote control for the computer that holds the graphics card.
Video, images, music and photo restoration from the phone. Nothing leaves the computer at home.
See it on GitHub →
System Telemetry
An old Android phone as a permanent instrument panel for the computer: temperatures, load, memory and the remaining limits of AI tools, readable across the desk.
One HTML page with no library at all and an APK of a few dozen kB. Over USB, no cloud, no account.
See it on GitHub →
Invoicing system
Local invoicing application with PDF output, e-mail dispatch and a link to the Czech company registry. The data never leaves the company.
Built in hours, runs with no subscription.
Read how it was built →