Self-Engine
Self-Engine connects time tracking, tasks, calendar, finance and habits in one app — works offline, on the web and on the Mac, with mobile in beta.
- Live · in active development
- Web
- macOS
- iOS beta
- works offline
Services
Websites for tattoo studios
Portfolio, artists, booking requests, and visibility on Google — including setup and ongoing support.
Fixed price after a short call
Websites for small businesses
A clear web presence: content, contact, and what your business needs — without unnecessary fluff.
Fixed price after a short call
Custom web and app development
TypeScript and React — offline-capable when you need it.
Fixed price after a short call
How it works
Short call
Tell me briefly what you need — by email or video.
Draft & fixed price
You get a clear proposal and a fixed price before work starts.
Build & support
I build it, keep you updated, and stay available for changes.
About
I like working across the stack: from the idea through data and logic to the interface you actually use.
Clear agreements, clean code, and software that doesn't spy on you or steal your attention matter to me.
Outside of work I train, read, and spend time offline.
Projects
gwydion.dev
This portfolio — server-rendered with TanStack Start, bilingual via Paraglide, and open source.
- Open source
- TanStack Start
- Mantine
- Paraglide
Now
- Building
Self-Engine — new features across web, mobile, and desktop.
- Learning
Systems design and product ethics.
- Training
Strength and endurance — consistency over intensity.
Contact
Let's talk.
Need a website for your studio or business, or have an app idea? Send me a short note about what you need. I'll get back to you within two business days.