ERPNext - The ERP Software that helps you take full control of your business. ERPNext is both powerful and easy to use.
Stockpile - Stockpile is a free online inventory system for small business and at home uses.
Odoo - An all-integrated business app suite to unleash your growth potential.
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.
Dolibarr - Dolibarr ERP CRM is an Open Source software package for small, medium or large companies, freelancers or foundations to manage business. It's a PHP project built by modules addition (invoice, proposal, contact, stock, order, hr, agenda. .
PartKeepr - PartKeepr is an open source inventory management system that you can alter according to the particular requirements of your business or of the area from where you are operating.