A Milwaukee studio that just builds.

ThreadCraft Labs builds local-first hardware and software. The flagship is Linden, an air monitor and a purifier in one, with a friendly e-ink face and no cloud. Alongside it is a family of small, honest software tools, from finance and PDF utilities to bookkeeping and inventory.

The throughline is simple. Build things that earn their place in a home and keep working for years. Keep the data on your own devices. No accounts, no subscriptions, no cloud you have to trust.

Everything here is hand-finished in Wisconsin and built to last ten years, not three.

Local-first

Your home, your data, your device. Nothing has to leave the room.

Built to last

Made to be lived with for years, not replaced every season.

Honest

Plain descriptions of what each thing does. No hype, no buzzwords.