Odoo:

• Open source (highly customizable).
• Unified platform for all business functions.
• Significantly lower cost (implementation, support, maintenance).
• Active community and accessible developers.
• Excellent Arabic support for localization and e-invoicing.

SAP / Oracle:

• Very powerful but expensive and complex.
• Requires specialized teams and long implementation periods.
• Not suitable for small or budget-conscious companies.

Dynamics 365:

1. Good for medium to large organizations.
2. Flexible, familiar Microsoft interface.
3. Requires strong technical resources and regular maintenance.

Straightforward Conclusion:

If You Are:

Looking for a comprehensive, flexible, customizable ERP at a reasonable price  ... Consider Odoo

A large enterprise needing a heavy, globally supported system ... Consider SAP or Oracle

A mid-sized tech business seeking Microsoft integration ... Consider Dynamics 365

A small company or startup needing a quick and affordable solution ... Consider Zoho or Odoo