10 self-hosted SAP alternatives

SAP is a major enterprise software vendor best known for its commercial ERP systems covering finance, supply chain, and operations. It targets large enterprises. These open-source apps let you replace SAP with software you host and control yourself.

Best self-hosted SAP alternatives

MediumHard

bare-metaldockersource

Odoo Community

CRM & Business Apps

Modular open-source business management suite

Replaces Salesforce, SAP

★ 53.6k Hard setup LGPL-3.0

ERPNext

CRM & Business Apps

Open-source ERP for growing businesses

Replaces SAP, NetSuite

★ 37.8k Hard setup GPL-3.0

Dolibarr

CRM & Business Apps

Open-source ERP and CRM for small businesses

Replaces SAP, Salesforce

★ 7.5k Medium setup GPL-3.0

metasfresh

CRM & Business Apps

Open-source ERP for small and midsize companies

Replaces SAP, NetSuite

★ 2.4k Hard setup GPL-2.0

Crater Cloud OFBiz

CRM & Business Apps

Apache enterprise resource planning framework

Replaces SAP, Oracle ERP

★ 1.1k Hard setup Apache-2.0

Axelor

CRM & Business Apps

Open-source ERP, CRM, and BPM platform

Replaces SAP, Odoo

★ 965 Hard setup AGPL-3.0

OpenBoxes

CRM & Business Apps

Open-source inventory and supply chain management

Replaces SAP, NetSuite

★ 871 Hard setup MPL-2.0

frePPLe

CRM & Business Apps

Open-source ERP for accounting, sales and inventory

Replaces SAP, Oracle SCM

★ 714 Hard setup MIT

iDempiere

CRM & Business Apps

Community-driven open-source ERP and CRM

Replaces SAP, Oracle ERP

★ 647 Hard setup GPL-2.0

Tryton

Budgeting & Finance

Modular three-tier business and accounting platform

Replaces QuickBooks, SAP

★ 214 Hard setup GPL-3.0

Compare SAP alternatives

Switching from SAP

Moving off SAP means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.