Today, epyx reinvents the document
Every once in a while, a product comes along that changes how everyone works. Here is why we believe this is one of those times — and why the moment is now.
Personal computing has had two revolutions at the desk
Both put power in the hands of people who weren't supposed to have it.
VisiCalc
The first spreadsheet. For the first time, one person could model a business without a mainframe — or permission.
Macintosh
A computer for the rest of us. Millions learned to fend for themselves — no corporate IT department required.
epyx
Not much has fundamentally changed at the desk since. Until now.
Today, we're introducing three revolutionary products.
A new kind of application — everything the spreadsheet should have become.
A private workgroup hub — sharing that never touches the cloud.
An intelligent assistant — the real vibe: Python's raw power, even if you can't code.Unlock massive capability with simple prompts. No syntax. No steep curve. Just results.
An application. A workgroup. An assistant. Are you getting it?
These are not three separate products. This is one living document.
We call it a doclet.
Here it is.
A mortgage doclet. Type a number, drag a slider — the plot and the amortization table recalculate live. One living document.
Yesterday's most advanced documents are buried under buttons
Open Excel or Google Sheets and look at the top of the screen: the ribbon. Hundreds of tiny buttons, in fixed rows, occupying prime real estate — there whether you need them or not, and you almost never need them. It is the anachronism of the modern desktop.
The actual ribbon, today. Every button, all the time.
The ribbon shipped in 2007 — the same year as the iPhone. One of them moved on.
In epyx, the orchestrator wipes that clutter away. You say what you want, in plain language, and the document changes. No hunting through tabs of buttons. The interface is a conversation.
The software problem, solved in the right direction
Today's “vibe coding” tools answer every request with a mountain of generated JavaScript no one can read. That is not empowerment — it's the old dependency in new clothes. One of the founders of computer science saw the answer half a century ago:
“Inside every large program is a small program struggling to get out.”
— Tony Hoare
epyx lets the small program out. Every doclet distills your intent into a handful of clear lines — code you can read, verify, and own. Not more code than a spreadsheet. Less.
The iPhone ran OS X. Doclets run Python.
Real software underneath — not baby software
Every doclet is powered by full, genuine Python — the most-used programming language in the world, worked in daily by more than 15 million developers, with battle-tested libraries for finance, science, statistics, and machine learning. Not a macro language. Not a formula dialect. The real thing.
All of Python's power
Decades of libraries and millions of proven code bases, available inside your document. What a formula can't do, a Python-powered doclet can.
Sealed in a secure enclave
All of it runs inside a locked-down container on your own machine. Code can't touch your system; your data never leaves. Even when you share a live doclet, visitors work in a sandbox — and nothing is stored in the cloud.
And then there's the design
Tables that scroll through millions of rows without a stutter, with live color shading that makes the data speak. And the plots — oh, the plots. Columns rendered with graded color and a neon glow, like nothing a spreadsheet has ever drawn.
Live from epyx — color-graded columns, interactive controls, in every doclet
And, boy, have we patented it.
Foundational patent filed April 2026, covering the doclet architecture.
“I skate to where the puck is going to be, not where it has been.”
— Wayne Gretzky
The puck is headed somewhere specific: AI as a working partner, data private by default, and documents that are applications. Office suites can't follow — they are built on thirty years of the opposite assumptions. epyx was built here, from the first line.