Open Source Barware — Free Inventory System for Bars | Best Free Bar Inventory

Bar inventory<br>shouldn’t cost<br>you a thing.<br>A brilliantly built inventory program that lives on your laptop. Voice-walk, count, reconcile, and Process — no AI required. Optional AI only if you want invoice photos read for you. Free. No subscriptions. No vendor lock-in.<br>Learn This SystemRead Our StoryDownload Program

$0<br>Cost

Free program

Easy steps Each week

100%<br>Simple Add data. Get inventory.

The Problem

Every bar manager knows the drill.<br>End of the calendar month. Grab a barback & clipboard. Count every bottle by tenths. Scribble numbers on paper. Walk to the office. Type it all into a spreadsheet someone made in 2014. Try to reconcile against POS sales. Watch it never add up. Repeat next month.<br>The bar industry has been doing this for decades. And companies have profited from the pain — selling $3,000 inventory guns, $200/month SaaS platforms, and consulting services that charge by the bottle.<br>AI changed everything. Now we can build this program for free. So we did.<br>Read the full manifesto

Get Your Time Back

The Workshop<br>Precision instruments for the craft.<br>We provide one simple system. Here you will find the free program and the markdown that explains how it works.

01-04One free program, the full workflow inside.<br>The pieces below live inside one free program for the full inventory workflow.

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01

Smart Inventory Sheets<br>Pre-built spreadsheets that calculate cost, usage, variance, and reorder points.

02

Variance Tracker<br>Compare physical counts against POS sales by category, bottle, and shift.

03

Optional Invoice Photos<br>Type invoice numbers yourself — or connect AI to read paper invoice photos from your phone.

04

Product Database<br>500+ common bar products with bottle sizes, costs, and standard pours.

Tracking one category?Free Liquor Inventory·Free Wine Inventory

Years of field-tested knowledge — spoken the way it was meant to be.

“If you help enough people get what they need, the universe will provide what you need.”<br>— The philosophy behind Open Source Barware

Get Started

Open the program. Start tonight.<br>No signup. No email capture. No sales pitch. Download the program and get to work.<br>Download ProgramExplore Community Resources