Your company has one system and a hundred maps of it.
Every team draws its own corner, in its own words, in its own tool. Keystone puts everyone on common ground: one living model of your software that the whole company can read, question and change together.
The islands are the story. Each chapter ends with a real screen from the product.
Four teams. Four names for one database.
- Paymentscalls it
the DB - Platformcalls it
orders-prod-rds - Datacalls it
source of truth - Mobilehas never heard of it
Nobody is wrong. Nobody can check. That's what a silo is: knowledge that only makes sense from inside one team.
Name it once. Everyone means the same thing.
In Keystone a box isn't a drawing on someone's slide. It's an object in one shared model, and every team's diagram points at it. Rename it, and every diagram in the company follows.
Open any object to see what it is, who owns it, and which diagrams it appears on.
Common ground.
Every team's systems on one landscape. Each team keeps its own diagrams to tell its own story, and all of them draw from the same model underneath.
The Landscape Map lays the whole thing out on one board, and every object carries its owning team and its tags. Wondering who runs something? Click it, and the answer is right there.
Every altitude, one map.
Zoom from the whole company to one service, then open it and look inside. Objects nest as deep as your system goes: account, network, service, component.
The CTO and the new hire read the same map. They just stand at different heights.
Follow a request across the org chart.
Flows walk a request step by step through every team it touches. The handoffs nobody wrote down become steps anyone can replay.
- 1The iOS app sends the orderMobile
- 2The mobile backend passes it onMobile
- 3The gateway checks who's askingPlatform
- 4Checkout writes the orderPayments
Alternate and parallel paths included.
Ask where the answer lives.
Comments pin to the object they're about, so a question about the order queue sits on the order queue, not in a chat thread that scrolled away. Mark it as a question or an idea, and resolve it once it's answered.
Decision records sit next to the thing they changed, with a status and links to the objects involved. Next year's new hire finds the why without having to find you.
Change it together.
Propose a change as a draft. Every team sees it on the same map, in place, before it merges into the live model.
Snapshots freeze the whole landscape, so you can always see what the map looked like when you decided.
Then watch the shared map run.
Put small rules on objects, like a rate limit or a cache hit ratio, and send traffic through the model. When a message fails, its trace shows which object stopped it, and so which team to call.
Same seed, same run. Everyone replays the same failure.
Under the metaphor, a real tool.
There are no floating islands in the product. Keystone is a diagram editor with a living model underneath: objects, connections, a Landscape Map, flows, rules, simulations, comments, decision records and drafts, in one browser app your whole company can open.
Common ground.
Keystone is the map your whole company can stand on. Model it once, share it with everyone, and stop explaining your system one meeting at a time.
Self-hosted on your servers. SAML and OIDC sign-in included. Every feature in every install.