Somil, SLU · four apps, built one at a time

Small, careful apps for macOS and iPhone

They run on your machine, read your own files, and send nothing anywhere you did not ask for.

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macOS 26.6.2+FreePro €29

JSON Analyzer

A fast desktop viewer-editor for large local JSON files. Arrays become sortable tables; values edit in place and save with byte-fidelity. Pro adds tabs, filters and a flattened table view for a one-off €29.

Signed and notarized by Apple.
Opens your files from disk. Nothing is uploaded.
Click for the full board
macOS 15+Free

UsageBar

Your AI subscription usage against the clock — Claude Code, Codex, Cursor, Antigravity and Copilot on one menu-bar board. Reads the tokens your CLIs already store.

Signed and notarized by Apple.
Nothing leaves your Mac except calls to each vendor's own API.
Illustration — not a screenshot
macOS 26.6.2+FreeOpen source

FanBoost

Spins your Mac's fans up to a chosen speed the moment you start recording or sharing your screen — Zoom, Teams, QuickTime, Snagit — and hands control back to macOS the instant capture ends. For Macs that overheat exactly when you start presenting.

Signed and notarized by Apple.
Source is on GitHub. Read it before you run it.
iPhoneiOS 26+Free

Tesouros

A personal collections tracker for iPhone. Whiskies, cameras, cafés — anything worth keeping track of, with photos, ratings, notes and tags.

Your device and your own iCloud. No accounts, no tracking.