Software that keeps workingwhen you stop watching it.
Lumilay is a software studio in Tallinn. It has made a native macOS library that notices when a saved file moves, and an assistant that stays quiet until something is worth saying.
1,234
Items in the library
567
Days with nothing to say
“
I wanted software that tells me when something is wrong and otherwise leaves me alone. Most tools do the reverse.
Maksim SabunovLumilay
Principles
Four decisions that hold across everything Lumilay makes.
1.0
Native, not wrapped.
Swift and SwiftUI on macOS 14. No runtime; nothing in the interface is a web page.
1.1
Nothing rots quietly.
Files are referenced in place, never copied. A moved file says Missing instead of pretending.
1.2
Silence is an output.
Plikka messages first only when something warrants it. Most days, that is never.
1.3
Data stays legible.
One readable JSON file, written atomically. Deleting an account takes every record and file with it.
Work
What Lumilay has built so far, largest first.
Plikka07:42
Your 14:00 moved to 15:30. Same room.
Nothing else needed saying today.
01 — In development
Plikka
A proactive assistant, reached the way you reach a person.
It watches mail, calendar, reminders, weather, news and location, and messages first only when something warrants it. It acts on real accounts, not suggestions. One voice from three layers: a thinker that never speaks, a speaker with no tools, and a formatter that decides only the shape of delivery.
Reach
Telegram. macOS and iOS clients in progress.
Written in
Python and Swift.
Runs on
Its owner’s own server, for one user.
Status
In development. The proactive engine is paused for repair.
Everything3 items
On the shortness of good weatherfield-notes.org Read
grass-survey-2026.pdf~/Documents/Steppe Missing
Why the storefront stays shutNoteNote
02 — Built
Keepin
A native macOS library for the things you save.
Links, files and notes on one board; files are referenced in place, never copied. Sync and AI enrichment run through Lumilay’s own service on Cloudflare. Signing in with a Google or GitHub account, or an emailed code, does one thing: it creates and signs in to a Lumilay account so a library can follow its owner between Macs.
Platform
macOS 14 and later.
Written in
Swift and SwiftUI.
Storage
One JSON file on the Mac; Cloudflare D1 and R2 for sync.
Status
Built. Used daily by its author.
Who
Lumilay is one person: Maksim Sabunov, in Tallinn.
I design, write and ship everything here myself, and use it every day. This site describes what exists.