What is Odoo?

Odoo is open-source business software that runs your sales, invoicing, stock, projects and team in one place. Discover the full suite of business apps included in Odoo Enterprise!

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We are trusted by startups, small, and medium-sized companies:

16M+users worldwide

80+integrated business apps

50k+community apps and modules

~20years of development

Figures as published by Odoo S.A.

What is Odoo

One system instead of ten tabs.

Most small businesses run on a patchwork. A CRM here. An invoicing tool there. Spreadsheets everywhere. Data gets typed twice and nobody trusts the numbers.

Odoo replaces that patchwork with one ERP. ERP stands for Enterprise Resource Planning. In plain words: one shared database for your whole company. A won deal becomes a quote. The quote becomes an invoice. The invoice lands in accounting. Stock updates on its own.

It started in Belgium in the mid-2000s, founded by Fabien Pinckaers. Today it's one of the most widely used business platforms in the world.

Before

crm.xlsxinvoices_final_v3Stock listEmail inboxProject boardShop backendHR folderPayroll toolSticky notes

Odoo

One system, multiple workflows

SellLead→Quote→Invoice

DeliverOrder→Stock→Shipping

MakePurchase→Production→Quality

RunProject→Hours→Payroll

All on one shared database

Open sourceThe core is free and public. No black box, no lock-in.

ModularStart with one app. Add the next when you need it.

Runs in the browserDesktop, tablet or phone. Nothing to install.

Where Knowlix fits. Knowlix is a certified Odoo Partner. We build on Odoo Community and put an AI Teammate inside every app. Same Odoo standard underneath. Far less busy work on top.

Who is Odoo for

For businesses that outgrew their spreadsheets.

Odoo's sweet spot is small and mid-sized companies. From a five-person team to the Mittelstand. Find your starting point.

Starting without an ERP

Spreadsheets and ten separate tools?

Get sales, invoicing, projects and stock in one system. Set up with AI, checked by an Odoo consultant.

Start here → Path 2

Switching from another ERP

Old system, high licence costs?

Move to a modern, user-friendly ERP. We migrate your data with AI and keep the switch painless.

Plan the switch → Path 3

Already on Odoo

Stuck project or old version?

Re-implementation, upgrade or a partner switch. We clean it up and get you back on track.

Fix my Odoo → Path 4

Adding AI to Odoo

Happy with Odoo, want more?

Add an AI Teammate that creates quotes, follow-ups and reports from a single prompt.

See AI for Odoo →

Popular with

ManufacturingServices and agenciesRetail and e-commerceFood and hospitalityConstructionTech companiesField serviceWholesaleStartups

Maybe not for you if…

You only need one tool and nothing else. A standalone app will do. Odoo shines the moment your processes connect: sales to stock, stock to invoices, invoices to accounting.

Why choose Odoo

Why Odoo wins.

01

All in one

Sales, finance, stock, HR, website. One login, one database, one source of truth.

02

Modular

Pay for what you use. Switch on new apps as you grow, with no new integration project.

03

Open, no lock-in

Open-source core and a huge partner community. Your data and your system stay yours.

04

Fair pricing

A fraction of what classic enterprise ERPs cost. Transparent per-user licences.

05

Scales with you

Multi-company, multi-currency, multi-language. Ready when you open the next location.

06

Fresh every year

A new major version every year. Odoo 20 landed in September 2026.

The Apps

About Odoo's Apps

CRM, sales, e-commerce, invoicing, manufactoring, inventory, projects, documents, HR and much more.

Every app talks to the others, so a sales moves through your whole business on its own.

Learn more about Odoo apps

AI Point of Sale

AI Manufacturing

Imagine without Knowlix

Run your ERP system for efficiently with Knowlix

Book discovery call

Don't take our word for it

Leaders love it.

As a SMBs I can't afford to lose time on admin. Before implementing Odoo, managing proposals and orders manually through emails and Excel was exhausting and time-consuming. Now I use one centralized tool where I can easily track my proposals, orders, and deliveries. It has streamlined my workflow, saved me countless hours, and allowed me to focus more on the work that actually matters.

Lisa Meier

Founder & Designer, Oneshot Design

We spent months testing tools that promised results but never delivered what we actually needed. Everything felt disconnected and overly complex, and we were drowning in administrative work. Deep down, we knew what the solution should look like. We just needed the right partner to bring it to life. Then Knowlix changed everything.

Jan Steinbach

Managing Director, ZukunftsHaus

By working with Knowlix, and their AI features, we've streamlined our operations, significantly reduced downtime, and elevated the quality of service we provide to our customers.

Markus Schetter

CEO, Wilhelm Schetter

With Knowlix, we found not only great employees but also people who fit our culture. The recruitment process was quick.

Roger Dokidis

Marketing Specialist

FAQs

Frequently asked questions

What is Odoo?

Odoo is an all-in-one business software (ERP) with integrated apps for CRM, sales, invoicing, accounting, inventory, manufacturing, projects, HR, website and eCommerce. All apps share one database, so data is entered once and used everywhere. Odoo was founded in Belgium by Fabien Pinckaers and, according to Odoo S.A., is used by more than 16 million people worldwide.

Is Odoo free?

Odoo Community, the open-source edition, is free to use. Odoo Enterprise is the paid edition with additional apps, features and official support, licensed per user. Knowlix builds on Odoo Community and works with both editions.

Who is Odoo for?

Odoo is best suited to small and mid-sized companies whose processes connect, for example sales to stock, stock to invoices and invoices to accounting. It is popular in manufacturing, services and agencies, retail and eCommerce, hospitality, wholesale and field service.

How many apps does Odoo have?

According to Odoo S.A., Odoo offers more than 80 integrated business apps, plus over 50,000 community apps and modules. You can start with one app and add more as your business grows.

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