We build software that earns its keep.
Greulich Labs is a small software development company. We ship our own products — starting with Ostler — and build custom software for companies who need a tool that fits the way they actually work.
Software we own and ship
Focused tools built for a specific kind of business, sold and supported directly. Ostler, our reservation software for small hotels, is the first.
Software we build for you
Internal tools, integrations, and full applications built to fit your workflow — not the other way around. Scoped small, shipped early, iterated in the open.
Ostler
Front-desk software for small hotels that book by phone. Dates in, price out, hold the room while the deposit check is in the mail — while you’re still on the call.
Bought once for $199. Your data lives on your computer, payments run through your own Stripe, and confirmations send from your own email. No subscription, no booking fees, no account with us.
- Dates in, price out — every open room with its real seasonal price, in one click.
- Holds that release themselves when a deposit never arrives.
- Confirmations, reminders, and receipts that send themselves — branded as your hotel.
Ostler — the Today dashboard
A tool that fits your business, not a template you fight.
We take on a small number of custom builds a year — the kind where off-the-shelf software almost works but never quite does. We scope it tight, ship something usable early, and refine from there.
- Internal tools & dashboards
- Booking, scheduling & billing systems
- Integrations between the tools you already run
- Web apps, from prototype to production
- Scope small, ship early, iterate in the open
- You own the code and the data outright
- Direct line to the people building it
- Fixed scope and price before we start
A working lab, not a showroom.
Greulich Labs LLC is an independent software company. We’d rather build one thing that holds up than ten that demo well. That principle runs through our own products and every custom build we take on.
Direct
We say what something does before we say why it's great. No jargon standing in for substance.
Durable
Software that keeps working when the vendor changes plans — because you own the data and the code.
Focused
We take on few projects at once so the ones we do get the attention they need.
Tell us what you’re trying to build.
Whether it’s a fit for Ostler or a custom build, send a note describing the problem. You’ll hear back from a person — usually within a day.