1crm.comSoftware by 1CRM Corp.
ERPNext - The ERP Software that helps you take full control of your business. ERPNext is both powerful and easy to use.
Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses
Odoo - An all-integrated business app suite to unleash your growth potential.
Pobuca Connect - Connect with your contacts.
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. .
Pipeliner CRM - Pipeliner CRM empowers small to medium-sized sales teams to close more deals and lower risk. Implementation and training are a breeze. Mac & Windows.