Here are some free open source ERP (Enterprise resource planning ) tools to manage your business more helpful and integrated...
1. iDempiere
iDempiere is a full-fledged ERP, with everything from invoicing to POS integration to warehouse management to forecasting.
2. Odoo
The software covers all the standard warehousing, manufacturing, and sales channels. Odoo’s distinction is that the whole system revolves around a series of apps. The benefit of this system is you don’t end up running a bloated system when you could be running a slim setup.
3. webERP
webERP is specifically designed to be used and expanded by less technical businesses, with code that’s supposed to be readable and editable more easily. It can be accessed from any device that has a browser and a PDF reader.
4. Openbravo
Openbravo is a web-based ERP based on a modular system. Openbravo Community edition is the free release, offering a stripped down version of the paid Enterprise and Professional editions.
5. Opentaps
Opentaps packs a powerful reporting function. It has the expected set of modules that help you manage inventory, manufacturing, financials, and purchasing. It also has a feature that helps you analyze all aspects of your business. You can use that information to better plan into the future.
6. Apache OFBiz
Apache OFBiz includes many ERP functions including e-commerce, catalog management, promotion and pricing management, order management, warehouse management, accounting, manufacturing management, PoS and other features.
7. xTuple
xTuple offers a free open source edition called PostBooks available as a licensed product with maintenance, support and the option to use it as a service offered from the cloud.The open source edition includes functionality for accounting, sales, CRM, purchasing, product definition, inventory and distribution, light manufacturing and the OpenRPT open source report writer.