Open Mercato: Open Source Alternative to Salesforce

Open Mercato is an AI-engineering foundation framework with 1.3k+ GitHub stars — an MIT alternative to Salesforce and ERPNext for building CRM, ERP, and commerce backends with AI agents. Start at 80% done, customize the remaining 20%.

Compare Open Mercato with HubSpot and Zoho CRM before you choose your stack.

Key features

AI-native architecture

• Architecture-aware AI harness — agents know where to place code, not just how to write it
• Spec-first development in .ai/specs/ for reproducible AI output
• Native compatibility with Cursor, Claude Code, and Codex
• Built-in AI assistants with mutation approval before writes

Business modules

• CRM, sales pipeline, orders, catalog, and workflows pre-built
• Custom entities and dynamic forms — no migrations needed
• Multi-tenant SaaS-ready with organization trees
• Feature-based RBAC with per-role and per-user scoping

Technical stack

• Modular monolith — Next.js App Router, TypeScript, MikroORM
• Awilix DI, zod validation, event-driven subscribers
• Field-level encryption with Vault/KMS integration
• Overlay pattern for safe extensions without forking core

Open Mercato vs Salesforce

	Open Mercato	Salesforce
License	MIT (open source)	Proprietary
Models	Bring your own keys / local models	Vendor-locked models
Deployment	Self-hosted or cloud	SaaS only
Privacy	Data stays on your infrastructure	Processed by vendor
Cost	Free software + API usage	Subscription pricing

Choose Open Mercato if you want open-source code, self-hosting options, and full control over your data and deployment.

Choose Salesforce if you prefer a managed proprietary product with vendor support and minimal setup.

Browse more open-source alternatives to Salesforce, or explore other tools in Developer Tools.

At a glance

License	MIT (core)
Stack	TypeScript, Next.js, MikroORM, PostgreSQL, Redis
Self-hosted	Yes — Docker, VPS, Railway
Cloud	demo.openmercato.com sandbox
Origin	Creators of Vue Storefront

Getting started

npx create-mercato-app my-app
cd my-app && docker compose up -d && yarn setup

Docs at docs.openmercato.com. Enterprise features in @open-mercato/enterprise.

FAQ

Is Open Mercato a free alternative to Salesforce?

Yes. Open Mercato is open source under MIT. You can self-host it at no software cost — you only pay for infrastructure or optional managed services.

How does Open Mercato compare to Salesforce?

Open Mercato gives you source code access, self-hosting, and data ownership. Salesforce is a proprietary product focused on managed convenience. See the comparison table above for a side-by-side breakdown.

Can I self-host Open Mercato?

Yes. Open Mercato supports self-hosted deployment, which is a core reason teams choose it over Salesforce. Check the Getting started or Self-hosting section for install commands.

Is Open Mercato suitable for production?

Open Mercato is actively maintained with a strong open-source community. Many teams run it in production as a Developer Tools alternative to Salesforce. Review the At a glance table for license and stack details.

What are alternatives to Open Mercato and Salesforce?

Browse alternatives to Salesforce for more open-source options, including tools compared to HubSpot. Explore the full Developer Tools category for related projects.