// self-hosted, privacy-first tooling

Marvello Oni. Self-hosted tools. Your server, your data.

I build small, self-hosted software that keeps your finances, your health records, your workflow, and your reading list on infrastructure you control. You own and store the data yourself.

Selected work

04 projects
IDX · gold · funds · bonds   one dashboard
01 / finance

Folionix

A system for your portfolio.

Self-hosted wealth command center for Indonesian (IDX) stocks, gold, mutual funds, and bonds. Watches the market continuously, runs local LLM analysis, and pushes Telegram alerts to a Next.js dashboard you own.

TypeScriptNext.jsSupabaseLangGraphDocker
view project ↗
02 / health

Vitalix

Own your health data.

Reads Android Health Connect on-device and forwards it as JSON to a server you control. Your health data stays in your own database, not someone else's.

AndroidNodePostgres
view project ↗
03 / devtools

Loupe

A jeweler's loupe for the web.

A Chrome extension with a draggable HUD: CSS inspector, ruler, eyedropper, font explorer, and screenshot capture, without opening native DevTools.

Chrome MV3TypeScriptVite
view project ↗
04 / reading

Chapterly

Your web novels, as EPUBs.

Follows the web novels you read: checks each one daily, fetches only new chapters, and rebuilds the EPUB straight into your Audiobookshelf library. Uses WebToEpub's 600+ site parsers.

NodeNext.jsSQLiteDocker
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// approach

Small surface area, boring stacks, and a hard line on where the data lives: on your box, not someone else's.

more on github ↗