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OpenOMS

Free plan APISelf-hostedWeb

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OpenOMS's own site

What OpenOMS is

OpenOMS is an open-source order management system for Polish e-commerce sellers, offered as self-hosted software or SaaS. Its dashboard gathers orders from Allegro, Amazon, WooCommerce, eBay, Kaufland, OLX, and Empik, with Kanban views, filters, and bulk actions. Shipping tools cover labels, tracking, and notifications for InPost, DHL, DPD, GLS, UPS, Poczta Polska, Orlen Paczka, and FedEx. Rules can update order status, send email or SMS, and generate labels, with schedules and delays. Multi-warehouse inventory features include stock documents, stocktaking, reservations, low-stock alerts, and marketplace synchronization. Reports cover revenue, trends, bestsellers, and AI demand forecasting, with CSV export and advanced filters. The API has 463 REST endpoints and is documented with OpenAPI 3.1 and Swagger UI. Security controls include PostgreSQL row-level security, role-based access control, two-factor authentication, signed outgoing webhooks, and audit logs. SaaS starts at 99 PLN a month, with no per-order or volume fees. Self-hosting carries no software charge, though hosting may cost money.

Who it suits

OpenOMS suits Polish e-commerce sellers who need to bring marketplace orders, shipping, and inventory into one system. It may suit teams comfortable with self-hosting or evaluating a SaaS option.

What it does well

  • Combines orders from seven named marketplaces.
  • Includes multi-warehouse inventory features.
  • Automates status changes, messages, and label generation.
  • Offers 463 REST API endpoints.
  • No per-order or volume fees.

What to know first

  • SaaS starts at 99 PLN a month.
  • Hosting may cost money for self-hosting.
  • Public SaaS and many additional integrations are in development.
  • Mobile app is planned, not listed as available.

Limits

Self-hosting has no software charge but may require paid hosting. The listed SaaS starting price is 99 PLN a month; additional marketplace and carrier integrations are still in development.

Plans

PlanBilled and limitsPrice
SaaS (starting price)Plany od 99 PLN/mies. · No per-order or volume fees99 PLN a month

As openoms.org lists them, read 1 Oct 2026. The maker's own page has the final word.

Getting started

  1. Open the OpenOMS website
  2. Choose self-hosted deployment or SaaS
  3. Use the web interface or API
  4. Connect listed marketplaces and carriers
  5. Configure inventory warehouses and automation rules
  6. Select the SaaS plan starting at 99 PLN a month, if using SaaS

Verdict

OpenOMS brings order handling, shipping, inventory, and reporting into one system, with self-hosting and SaaS options. Check the development status of the public SaaS and additional integrations before choosing it.

Questions

Is OpenOMS free?

The software is free and has a free plan. Self-hosting has no software charge, while hosting may cost money; SaaS starts at 99 PLN a month.

Which platforms can OpenOMS use?

OpenOMS is available as web, API and self-hosted software. It can run as self-hosted software or SaaS.

Which sales channels are supported?

The dashboard brings together Allegro, Amazon, WooCommerce, eBay, Kaufland, OLX and Empik orders.

Does OpenOMS charge per order?

The stated model has no per-order or volume fees.

Does it provide an API?

Yes. The repository describes 463 REST API endpoints with an OpenAPI 3.1 specification and Swagger UI.

How can users get support?

The site directs users to a Discord community and is seeking 10 beta testers for live Allegro usage.

Facts from OpenOMS's own pages

Analytics
Reports cover revenue, trends, bestsellers, AI demand forecasting, CSV export and advanced filters. · openoms.org, 1 Oct 2026
API
The repository describes 463 REST API endpoints with an OpenAPI 3.1 specification and Swagger UI. · github.com, 1 Oct 2026
Automation
Rules can change order status, send email, generate labels or send SMS, with delays and schedules. · openoms.org, 1 Oct 2026
Deployment
It is available as self-hosted software or SaaS. · openoms.org, 1 Oct 2026
Development status
The public SaaS version and many additional marketplace and carrier integrations are listed as in development, while a mobile app is planned. · openoms.org, 1 Oct 2026
Free access
Beta testers are promised a lifetime free SaaS plan. · openoms.org, 1 Oct 2026
Inventory
Multi-warehouse features include PZ/WZ/MM documents, stocktaking, reservations, low-stock alerts and marketplace synchronization. · openoms.org, 1 Oct 2026
Order dashboard
The system brings Allegro, Amazon, WooCommerce, eBay, Kaufland, OLX and Empik orders into one dashboard with Kanban, filters and bulk actions. · openoms.org, 1 Oct 2026
Order fees
The site states there are no per-order or volume fees; users pay only for hosting or nothing when self-hosting. · openoms.org, 1 Oct 2026
Product
OpenOMS is an open-source order management system for Polish e-commerce sellers. · openoms.org, 1 Oct 2026
Security controls
The platform includes PostgreSQL row-level security, RBAC, 2FA/TOTP, signed outgoing webhooks, audit logs and security headers. · github.com, 1 Oct 2026
Self-hosting guidance
The security policy recommends TLS termination, strong JWT_SECRET and ENCRYPTION_KEY values, private PostgreSQL and Redis ports, non-root Docker images and periodic secret rotation. · github.com, 1 Oct 2026
Shipping
It supports shipping labels, tracking and notifications for InPost, DHL, DPD, GLS, UPS, Poczta Polska, Orlen Paczka and FedEx. · openoms.org, 1 Oct 2026
Support
The site directs users to a Discord community and is seeking 10 beta testers for live Allegro usage. · openoms.org, 1 Oct 2026
Vulnerability handling
Security reports should be emailed to [email protected]; acknowledgment is targeted within 48 hours, assessment within one week and fixes within 30 days of confirmation. · github.com, 1 Oct 2026

Where OpenOMS stands on Freedom251

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