Comment by dazmiller

There are two that i like.

Odoo (once openerp) has a lot of modules for all kinds of hardware/manufacturing/ stock management etc. Overall not a bad system.

https://www.odoo.com/

ERPNext is the other one, with a cool mobile app as well, so easy to manage on the road. Its pretty light weight and easy to extend if needed.

https://erpnext.com/