The collection ↘

A PERSONAL LITTLE CORNER OF THE INTERNET

Silver Iodide Apps

Useful little tools. Playful experiments. The occasional rabbit hole.
A collection of things I wanted to exist, so I made them.

Built for myself. Shared with you.AgI / an experimental compound

The collection (04)

A few ideas, out in the world ↓
An eclipsed sun above a layered Prague skyline01

Sky & observation

Eclipse Watcher

Explore the eclipse over Prague, compare viewing spots, and follow the sun across the horizon.

The 12 August 2026 eclipse · interactive replay
An illustrated invitation on warm parchment with botanical details02

Gatherings & good company

The Summoning Scroll

A little ceremony for getting together. Explore invitation designs, create a scroll, and try the guest register.

Prototype · saved in your browser only
An overhead illustration of a green padel court and ball03

Everyday utilities

Padel Court Monitor

A personal dashboard for following court availability and managing the search for the next game.

Private dashboard · password required
Harbor Lab’s interactive sailboat docking simulator04

Learn by playing

Harbor Lab

Take the helm of a virtual sailboat. Try nine docking lessons, practice your approach, and tinker with the harbor.

Interactive simulator · best on desktop