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We implement Open Mercato

Technology · Digital commerce

Open Mercato: open-source CRM and ERP, connected to your PIM.

We implement Open Mercato, the open-source framework for CRM, ERP and B2B portals.

  1. 01 · FitWho Open Mercato is for
  2. 02 · ModulesCRM, sales, catalogue and more
  3. 03 · PIM and ERPHow it connects to your data

Who it is for

For companies that outgrow a CRM or ERP subscription.

Open Mercato fits companies that need sales, customer service or order handling shaped around their own processes, where a subscription CRM or ERP is too rigid. You start from ready modules and build only what sets your company apart. It may not fit if a standard subscription is enough, if nobody can maintain the application, or if you need long stable version history: the version is still below 1.0. It makes sense when:

  • You need a B2B portal where customers place orders and requests for quotes, and sales reps prepare offers.
  • You want your own back end for a shop or app, with a ready API, permissions and support for many companies or branches.
  • You have an unusual process, such as service, claims, bookings or warehouse, and want it on one shared foundation.
  • You want to own your code and data without depending on one SaaS vendor.

Open Mercato in brief

Open source under MIT, still below version 1.0.

A framework, not SaaS: code you install and extend, with ready modules from day one.

  • MITcore licence, no per-user fees
  • 2025launched
  • 0.9.0latest version, 9 Oct 2026
  • 1,900GitHub stars
  • 100+contributors
  • 27certified partners, all in Poland
  • Extend without a forkcore as versioned npm packages, your modules in a separate layer
  • Built for AI coding agentsrules and skills for Claude Code, Codex and Cursor in every app
  • StackTypeScript, Next.js, PostgreSQL, Redis, Meilisearch; REST API with OpenAPI

Sources: GitHub, release 0.9.0 and community, checked 4 Nov 2026 · openmercato.com · certified partners, 4 Nov 2026

Modules

The Open Mercato modules that matter most.

A standard app has dozens of modules that work together; projects mostly rely on these six.

  • CRM

    Companies, people, deals and pipelines, with custom fields added from the panel.

  • Sales

    Channels, quotes, orders, invoices, shipments and payments, with a Stripe gateway.

  • Product catalogue

    Products, variants, categories and dated prices; each channel its own title and price.

  • Warehouse, portal and service

    Stock locations and batches, a customer portal, bookings and warranty claims.

  • Workflows and rules

    Stages, transitions and user tasks, plus rules such as low-stock alerts.

  • AI and MCP

    An AI assistant that waits for approval of every change, and an MCP server.

Planning a B2B portal or your own CRM?

30 minutes, no obligation: your process, your systems and whether Open Mercato is the right base for them.

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Compare

Open Mercato catalogue or a PIM?

The Open Mercato catalogue is enough when products serve mainly offers, orders and a B2B portal. When product data comes from many sources or goes to many channels, a PIM should be the source and Open Mercato should use its data.

Open Mercato catalogue or a PIM?
CriterionOpen Mercato cataloguePIM (Pimcore, Akeneo, Ergonode)
Catalogue sizeOne or a few channels; products described with a dozen or so fields and variantsHundreds of technical attributes, many channels and languages
Data sourcesSales or order teams keep prices, variants and imagesMany suppliers and ERP, in spreadsheets, PDFs and price lists
Standards and feedsNot in the Open Mercato documentation (as of 24 October 2026)ETIM or ECLASS classification, BMEcat export, marketplace feeds
Content workflowProduct needed mainly in the quote, order and invoiceStaged enrichment with approval and completeness checks
Who owns whatCustomer, quote, order and processProduct content and data quality

Based on the Open Mercato documentation as of 24 October 2026.

Integrations

How Open Mercato connects to PIM, ERP and your shop.

Open Mercato has a ready integration with Akeneo and connects to Pimcore and Ergonode through their APIs. The PIM stays the source of product data.

Sources

ERP

item codes, prices, stock

Suppliers

Excel files, PDFs, price lists

read by openProd, an AI product

into the PIM

Product data

PIM

Pimcore, Akeneo or Ergonode: product content and data quality

  • attributes
  • variants
  • images
  • categories
  • translations

products

Processes

Open Mercato

catalogue, CRM, quotes, orders, B2B portal

prices and stock from ERP, orders back to ERP

used in

Used in

  • B2B portal
  • Quotes by sales reps
  • Your shop or app
  • Warehouse and service

orders back to ERP

prices and stock from ERP

The PIM owns product content and quality; Open Mercato owns the customer, quote, order and process.
  • Akeneo

    Ready integration: attribute mapping, variants and images, scheduled sync, one way.

  • Pimcore

    No ready connector: Pimcore Datahub (GraphQL) into the Open Mercato REST API.

  • Ergonode

    No ready connector: the Ergonode GraphQL API into the Open Mercato REST API.

  • ERP

    Prices and stock from ERP; orders to ERP through the API, events or webhooks.

  • Shop or app

    Your storefront or app uses Open Mercato as a headless back end via REST.

  • Files

    CSV import for simpler cases.

LemonMind and Open Mercato

An official partner, honest about production.

LemonMind is on the official list of certified Open Mercato partners: 27 companies, all from Poland (as of 4 November 2026). We have no production Open Mercato implementation yet.

  • Official partner

    Listed as an agency on openmercato.com.

    Certified partners
  • Agentic Hackathon module

    Sopot, April 2026: in 2.5 days our team built a module that reads shipping documents and flags discrepancies.

  • What we bring

    Product data and PIM integrations: 70+ PIM and e-commerce implementations since 2010, 30+ specialists.

We are a Pimcore Platinum Partner and an Ergonode partner, and we implement Akeneo.

How the project runs

Start small, then build out.

  1. 01

    Consultation and analysis

    Goals, processes, systems and product data mapped to Open Mercato modules, including whether you need a PIM.

  2. 02

    Proof of concept

    Open Mercato itself recommends a 3-week proof of concept: a working PoC on your data, with a plan and an estimate.

  3. 03

    Modules and integrations

    Catalogue, CRM and sales configured, missing processes built as your own modules, and connections to PIM, ERP, payments and the shop.

  4. 04

    Launch and updates

    Tests from quote to order, launch on your infrastructure or cloud, training, and core updates planned so your changes stay intact.

Our PIM work

Our PIM projects, not Open Mercato ones.

A bathroom finished with Ceramika Paradyż tiles, with a dark green marble-effect floor.
PIM, DAM and e-commerce hub

Ceramika Paradyż

A central hub for product data and presentation, built on Pimcore.

Read case study
A VOX living and dining room with a round table, open shelving and a sideboard in light wood.
PIM and composable commerce

VOX

Pimcore as the foundation for product data management and a composable commerce architecture.

Read case study
The GTV warehouse with an automated vertical storage system and high-bay pallet racks.
ETIM / BMEcat mapping

GTV

A central Pimcore system extended with ETIM classification, BMEcat export and the ETIM Mapper tool.

Read case study

See case studies

FAQ

Questions about Open Mercato.

What is Open Mercato?

Open Mercato is an open-source framework for building business applications: CRM, ERP, B2B sales and customer portals. It runs on TypeScript, Next.js and PostgreSQL, has ready modules (customers, catalogue, quotes, orders, warehouse, workflows) and is built for work with AI coding agents.

Which modules does Open Mercato have?

A standard Open Mercato app has dozens of modules that work together. The six that matter most in projects: CRM (companies, people, deals and pipelines, with custom fields added from the panel without database changes); sales (channels, quotes, orders, invoices, shipments and payments, with a ready Stripe gateway); the product catalogue (products, variants with options, categories, price types and prices with validity periods, and a separate title, images and price per sales channel); warehouse, portal and service (locations and batches, a customer portal with company accounts, teams and working time, resource bookings, warranty claims); workflows and business rules; and AI and MCP (an AI assistant limited by user permissions, where every data change waits for approval, and an MCP server for AI clients such as Claude Code). Underneath: many companies and branches in one installation (multi-tenancy), role-based permissions, an audit log with undo, encrypted fields, search and events for integrations.

Who is behind Open Mercato?

Open Mercato was launched in 2025 by Piotr Karwatka, the creator of Vue Storefront (now Alokai), together with Tomasz Karwatka. Both previously built the companies Divante and Callstack. The project is backed by Catch The Tornado.

Is Open Mercato free?

The Open Mercato core is MIT-licensed, with no per-user fees. Enterprise features such as record locking, MFA and SSO come in a separate package under a commercial licence. Project costs are mainly implementation, development and hosting. More in SaaS, open-source and custom store platforms.

Is Open Mercato SaaS?

No. You install Open Mercato on your own server or in a cloud of your choice, for example on a VPS or on Railway. Open Mercato Cloud is a beta test environment for trying the framework, not production hosting.

Can Open Mercato replace a PIM?

For a simple catalogue, yes: Open Mercato has products, variants, categories, prices and separate offers per sales channel. When data comes from many sources, has hundreds of attributes or goes to many channels and languages, keep it in a PIM (Pimcore, Akeneo or Ergonode) and pass it to Open Mercato. More in product data management in e-commerce.

How do you connect Open Mercato with Pimcore, Akeneo or Ergonode?

Open Mercato has a ready integration with Akeneo: attribute mapping, import of products with variants and images, and scheduled synchronisation. Pimcore and Ergonode connect through their APIs: we read data through GraphQL and write it to the Open Mercato catalogue through the REST API.

How mature is Open Mercato?

The project started in 2025. The latest version is 0.9.0 of 9 October 2026, and the repository has about 1,900 GitHub stars and more than 100 contributors (as of 4 November 2026). The version number is below 1.0, so core updates need planning.

Has LemonMind implemented Open Mercato in production?

Not yet. LemonMind is an official Open Mercato partner, and at the Open Mercato Agentic Hackathon in Sopot in April 2026 our team built a module that reads shipping documents. In Open Mercato projects we are responsible for product data and PIM integrations, backed by 70+ PIM and e-commerce implementations since 2010.

Does it fit your project?

Let's check whether Open Mercato fits your processes.

In 30 minutes we tell you which Open Mercato modules you can use straight away, what needs building and whether your product data needs a separate PIM.

A 30-minute call with Olgierd Mrozik, CEO of LemonMind.

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