[opensourcedex]

best-of ranking · updated nightly

Best Open Source ERP & Operations Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    Odoo ★ 54K

    All-in-one business platform covering ERP, CRM, and more

    NOASSERTION Python pushed 2026-09-17 details →
  2. 2
    grocy ★ 9.5K

    ERP beyond your fridge - Grocy is a web-based self-hosted groceries & household management solution for your home

    MIT Blade pushed 2026-09-16 details →
  3. 3
    GreaterWMS ★ 4.4K

    This Inventory management system is the currently Ford Asia Pacific after-sales logistics warehousing supply chain process . After I leave Ford , I start this p

    Apache-2.0 Python pushed 2026-09-17 details →
  4. 4
    Shelf ★ 3.0K

    Track gear, bookings, and inventory without spreadsheets

    AGPL-3.0 TypeScript pushed 2026-09-17 details →
  5. 5
    ralph ★ 2.5K

    Ralph is the CMDB / Asset Management system for data center and back office hardware.

    Apache-2.0 Python pushed 2026-09-10 details →
  6. 6
    Part-DB-server ★ 1.8K

    Part-DB is an Open source inventory management system for your electronic components

    AGPL-3.0 PHP pushed 2026-09-16 details →
  7. 7
    Open Mercato ★ 1.7K

    AI-native CRM/ERP foundation with 80% already built

    MIT TypeScript pushed 2026-09-17 details →
  8. 8
    steedos-platform ★ 1.6K

    The AI-Native Infrastructure for Enterprise Apps. Powered by ObjectStack (ObjectQL, ObjectOS, Object UI). Turn Prompts into Enterprise Software.

    AGPL-3.0 TypeScript pushed 2026-09-16 details →
  9. 9
    guac ★ 1.5K

    GUAC aggregates software security metadata into a high fidelity graph database.

    Apache-2.0 Go pushed 2026-09-16 details →
  10. 10
    craftplan ★ 1.1K

    Self-hosted software for managing artisanal D2C micro-businesses

    AGPL-3.0 Elixir pushed 2026-09-05 details →
method stars desc · snapshot from github api refresh nightly related Compliance & Risk Management, Human Resources (HR), Legal, Marketing & Customer Engagement, E-commerce Platforms, Document Management & E-Signatures

Related best-of lists

best Compliance & Risk Management →best Human Resources (HR) →best Legal →best Marketing & Customer Engagement →best E-commerce Platforms →best Document Management & E-Signatures →

last updated nightly · ranking method: github stars, live-tracked

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Frequently asked questions

What is the best open source ERP & Operations tool in 2026?

Odoo leads the ranking with 54,424 GitHub stars, ahead of grocy. Rankings use live GitHub star counts, refreshed nightly.

How is this list of ERP & Operations tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best ERP & Operations tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.