Odoo is an open-source ERP and CRM platform whose 40-plus integrated business apps run sales, accounting, inventory, manufacturing, projects, and customer support from one shared database. Small and mid-size companies adopt it to replace disconnected tools with a single system where a quotation, sales order, invoice, stock move, and timesheet stay linked.[1]
Quick verdict
Small and mid-size companies that want CRM, accounting, inventory, and project tracking in one connected system benefit most from Odoo. Its 40-plus apps share one database, so quotes, invoices, stock moves, and timesheets stay linked without integration work. Teams with nobody to administer a server and no budget for per-user plans face real setup and cost constraints and should weigh simpler hosted tools. If you need a self-hosted open-source ERP under LGPL-3.0, start with the LGPL-3.0 community codebase; if you want every app hosted without server work, compare the Standard online plan against ERPNext on Frappe Cloud.[1][2]
Key features
Integrated 40-plus app suite CRM, sales, accounting, inventory, manufacturing, project, helpdesk, website, and marketing apps share one database, so a customer record, order, invoice, and shipment reference the same data.[1]
Accounting and invoicing The finance set covers accounting entries, customer invoices, vendor bills, expenses, and spreadsheet-style reporting, with invoicing also available as the free one-app starting point.[1][2]
CRM and sales pipeline Lead and opportunity tracking connects to quotations, sales orders, subscriptions, and rental management, keeping the path from first contact to signed order inside one pipeline.[1]
Inventory and purchase Stock levels, incoming shipments, purchase orders, and replenishment rules run against the same product records that sales and accounting use.[1]
Manufacturing and maintenance Bills of materials, production orders, maintenance requests, PLM, and quality checks give factories planning and shop-floor records tied to stock.[1]
Projects, timesheets, and field service Task boards, project planning, employee timesheets, appointment scheduling, and field-service operations track billable work from plan to invoice.[1]
Point of sale, website, and eCommerce Shop and restaurant POS flows sit next to the website builder, eCommerce catalog, events, and blog apps for businesses that sell in person and online.[1]
Studio customization and external API The Custom plan adds Odoo Studio for model and view changes without code, multi-company management, and an external API for programmatic access; the repository tutorial documents module development, API use, and automated tests for deeper changes.[1][2]
Who will love it
When CRM, stock, invoicing, and project hours live in separate products, the shared database removes reconciliation work and duplicate entry.[1]
Shop and restaurant POS apps combined with inventory, purchase, and employee records match businesses that sell across counters and tables.[1]
Bills of materials, production planning, maintenance, and quality records connected to the same inventory give planners traceability without custom integration.[1]
Who should avoid it
A full ERP exceeds simple billing needs; the free one-app invoicing plan exists, but the suite adds administration that a billing-only tool avoids.[1]
Source installs require Python dependencies, PostgreSQL, and database administration, and paid plans bill per user per month, so resourcing matters.[1][2]
Neither single sign-on nor offline capability was documented in the inspected pages, so buyers with those requirements should verify them before committing.[1][2][3]
Deployment and fit
Teams with server skills install the LGPL-3.0 community codebase from source or Docker against PostgreSQL; teams that prefer managed operations take Odoo Online hosting included in every plan, or Odoo.sh and on-premise rights under Custom.[1][2]
One App Free covers a single app for unlimited users at zero cost; Standard and Custom bill per user per month with all apps, support, hosting, and maintenance included. Frappe positions ERPNext, free under the GPL with Docker self-hosting or Frappe Cloud, as the direct open-source alternative for the same ERP decision.[1][2]
Questions worth asking
What is the best Odoo alternative for non-technical users?
For non-technical teams that still want Odoo itself, the hosted Standard plan is the conditional pick: it includes hosting, support, and maintenance with all apps, removing server administration. ERPNext, the evidenced open-source competitor, shares similar self-hosting demands rather than removing them.[1][2]
Is Odoo really no-code?
How much does Odoo cost per month?
As observed on October 12, 2026, the One App Free plan costs zero with one app and unlimited users on Odoo Online, while Standard and Custom bill per user per month with all apps included. The regional page displayed Rs figures with annual and monthly billing variants and a discounted Light User rate; exact amounts depend on region and billing term, and every plan includes hosting, support, maintenance, and a free trial.[1]
Can you self-host Odoo?
Yes. The repository documents installing the LGPL-3.0 community codebase from source with Python dependencies and PostgreSQL, alongside Docker images and Windows and Debian options. The Custom plan explicitly permits on-premise deployment and Odoo.sh hosting, while One App Free and Standard are Odoo Online only.[1][2]
Sources and editorial review
Source research. Reviewed on October 12, 2026. Written by Sanjib Sah. AI assisted; reviewed by a human editor.
We have not run or tested this product.
- Odoo homepage: open-source ERP and CRM
official · Observed October 12, 2026
Official homepage: open-source ERP and CRM positioning, 40-plus business apps, named app lists across sales, finance, supply chain, HR, marketing, services, and productivity, free trial, source-code link to github.com/odoo/odoo.
- odoo/odoo repository
official · Observed October 12, 2026
Canonical repository: stars, forks, language split, source/Docker/Windows/Debian installs, Python plus PostgreSQL requirements, odoo-bin runtime, tutorial chapters including API, SECURITY.md policy, CLA, branches 16.0 through 19.0.
- Odoo 19.0 LICENSE file
official · Observed October 12, 2026
19.0 LICENSE file stating publication under the GNU Lesser General Public License version 3.
- Odoo pricing plans
official · Observed October 12, 2026
Plan structure: One App Free at zero, Standard and Custom per user per month with all apps, Odoo Online/Odoo.sh/on-premise rights, Studio, multi-company, External API, included hosting/support/maintenance, Light User rate, Rs regional display.
- ERPNext vs Odoo comparison by Frappe
official · Observed October 12, 2026
Vendor-authored ERPNext-vs-Odoo comparison framing the two as the final ERP shortlist and positioning ERPNext as a great Odoo alternative; module overlap across accounting, stock, manufacturing, projects, POS, and HR. Treated as competitor positioning, not neutral fact about Odoo.
Compared with these products
No explicit proprietary baseline is recorded.