Fulcrum

Name: Fulcrum
Author: Oliver Ernster

Organisational Decision Architecture / Simulation Tool

The Decision Architecture series, turned into an engine you operate. Model any organisation, read its structural health from 0 to 100 and find the moves that make it stronger.

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Builds are published on the releases page as they ship.

Local-first·No cloud, no account ·GPL-3.0 + LGPL-3.0

Who it is for

Built for the people who own structure

Fulcrum is a thinking tool for the roles that answer for how an organisation is shaped and how it decides: software architects, senior and principal engineers, CTOs and the wider C-suite.

Software architects

Reason about authority boundaries, coupling and dependency structure as a system you can score, not a diagram you argue over.

Senior and principal engineers

See why an organisation slows as it scales and which structural move removes the bottleneck instead of working around it.

CTOs and engineering leaders

Test a reorg, a delegation or a boundary change against the model before you test it on people, then read the trade-off as one number.

Founders and the C-suite

Make the shape of the organisation legible: where decisions stall, where authority is missing and where growth will bite.

The model, made incarnate

A model you can hold

Decision Architecture argues that organisations succeed or fail by their structure, not by effort. Fulcrum turns that argument into an engine you operate directly: the decision objects, authority worldlines and structural moves from the books, scored live by a deterministic model.

Structural moves

Delegate authority, stabilise interfaces, realign incentives or collapse a boundary. Every move is scored from blunder to great.

Signals to watch

Handoff queue age, escalations, rework and influence without authority: the lagging indicators, each with its own definition.

A guide to a stronger org

Ask for the guide and the planner shows a move-by-move line from where you are to a stronger score, the way an engine shows its line.

Yours, on your machine

Generate a level, model your own organisation or import one as JSON. There is no account and no server; nothing leaves your machine.

Decision-support / Simulation tool

Watch a score climb, move by move

Load an organisation and the board scores its structural health, maps who decides locally against who escalates and lists every move open to you.

The Fulcrum board scoring an organisation's structure — **The position.** A generated organisation scoring 14.4 out of 100. Its 47 people across 9 teams sit under the Sales section on the map; a stick figure marks who decides locally against who escalates; the right-hand list holds the moves the current scope opens up and the signals below flag the pain, including influence without authority.

The Fulcrum guide planning a stronger org — **The line.** The guide plans the climb move by move, 14.4 to 77.5, each step a good move. It opens by delegating authority to the teams everyone depends on, then adds owners, stabilises interfaces and collapses boundaries.

Get Fulcrum

Download Fulcrum

Pick your platform and you have the newest release. Free and GPL-3.0 + LGPL-3.0 with no cloud and no account; everything stays local on your machine.

Latest release

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Windows

Windows 10 or 11, 64-bit

Download for Windows

Setup program (.exe)

Run the setup: it installs per-user, so no administrator rights are needed.

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macOS

Apple Silicon (M1 or later)

Download for macOS

Disk image (.dmg)

Open the DMG and drag Fulcrum into Applications.

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Linux

Any distribution with Flatpak

Download for Linux

Flatpak bundle (.flatpak)

Install with flatpak install fulcrum.flatpak.

What's new in this release · All releases · Source on GitHub

The foundation

Built on the Decision Architecture series

Fulcrum scores organisations with a model whose moves, signals and core ideas come from the Decision Architecture series by Oliver Ernster. The four volumes build the thinking the tool puts into play; the hardback collects all four in one reference edition.