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Tomasz Karwatka
Tomasz Karwatka

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Open Mercato vs Odoo: Why the Future of ERP Is Framework-Based (Not SaaS)

#erp #opensource #webdev #ai

Open Mercato vs Odoo: The Future of ERP Is Not What You Think

Most companies don’t need another ERP.

They need a way to build their own.

For years, tools like Odoo have dominated the SME ERP space.

They’re flexible, modular, and relatively affordable.

But there’s a catch.

They were designed for a world before AI-assisted engineering.

And that changes everything.

TL;DR

  • Odoo = configurable ERP product
  • Open Mercato = AI-native ERP framework
  • One helps you adapt to software
  • The other lets you build software around your business

What is Odoo?

Odoo is one of the most popular open-source ERP systems in the world.

It offers:

  • CRM
  • Accounting
  • Inventory
  • HR
  • eCommerce

All in one platform.

Why companies choose Odoo

  • Huge ecosystem
  • Ready-made modules
  • Faster time-to-start
  • Large partner network

It’s a solid choice if your business fits into existing patterns.

Where Odoo Starts to Break

Here’s the uncomfortable truth:

The moment your business becomes unique… Odoo becomes expensive.

Common problems teams hit:

  1. Customization hell

    You start simple → end up rewriting core modules

  2. Upgrade pain

    Customizations break with every major release

  3. Vendor / partner dependency

    You don’t own your system — your integrator does

  4. Rigid data model

    Extending core entities is harder than it should be

  5. Not AI-native

    AI is an add-on, not a foundation

Enter Open Mercato

Open Mercato is not an ERP.

It’s a framework to build your own ERP/CRM systems using:

  • TypeScript
  • Next.js
  • Modular architecture
  • AI-assisted development

Think: “Laravel for ERP” instead of “another SaaS tool”

Product vs Framework

Feature Odoo Open Mercato
Type Product Framework
Customization Limited / fragile Native
AI integration Add-on Built-in mindset
Data model Predefined Fully flexible
Ownership Partial Full
Upgrade risk High with customizations Controlled
Dev experience Mixed Modern (TS/Next.js)

Why This Matters in the AI Era

AI is compressing software development.

What used to take:

  • weeks → days
  • days → hours

So the real question is:

Why adapt your business to software…

when you can adapt software to your business?

Open Mercato Philosophy

1. 80% Done Core

You don’t start from zero.

You get:

  • auth
  • entities
  • workflows
  • permissions
  • UI patterns Then extend the remaining 20%.

2. Modular Everything

  • entities
  • modules
  • workflows
  • extensions No hacks. No core rewrites.

3. AI-Assisted Engineering First

Open Mercato assumes:

Every developer works with AI.

So:

  • architecture is predictable
  • code is composable
  • patterns are repeatable

This is critical for scaling teams.

4. Self-Hosting by Default

Your data. Your infra. Your rules.
No lock-in.

Real Strategic Difference

Odoo mindset:

“How do we fit our business into this system?”

Open Mercato mindset:

“How do we build a system around our business?”

When Odoo Makes Sense

Choose Odoo if:

  • You need something fast and standard
  • Your processes are typical
  • You don’t have strong dev capabilities
  • You’re okay with partner dependency

When Open Mercato Wins

Open Mercato shines when:

  • Your business is non-standard
  • You want full control
  • You build internal tools as a competitive advantage
  • You believe in AI-assisted engineering
  • You want to productize your operations

Especially relevant for:

  • software consultancies
  • marketplaces
  • logistics
  • healthtech
  • B2B platforms

The Bigger Shift

We’re moving from:

Software as a Product → Software as a Capability

ERP is no longer something you buy.

It’s something you build and evolve continuously.

Try Open Mercato

If you’re:

  • tired of ERP limitations
  • building internal tools anyway
  • experimenting with AI coding

Then Open Mercato is worth testing.

Final Thought

Odoo was built for the last generation of software.

Open Mercato is built for the next one.

The companies that win won’t be the ones with the best tools…

but the ones that can build their own fastest.

Bonus: A Simple Heuristic

If your ERP roadmap looks like this:

  • “We need to customize this module…”
  • “We need another integration…”
  • “We need a workaround…”

You’re fighting the system.

If it looks like this:

  • “Let’s build a module”
  • “Let’s extend the model”
  • “Let’s automate this workflow with AI”

You’re building leverage.

Get Started with Open Mercato

https://github.com/open-mercato/open-mercato

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