Odoo (formerly OpenERP) is a suite of open-source business apps written in Python and distributed under the AGPL license, under the Open Core software business model. It is used by 2 million users worldwide to manage companies of all size.
Corteza CRM is an advanced Free and Open Source Customer Relationship Management platform. Feature rich, a cloud scalable architecture and entirely modular, Corteza CRM allows any organisation to create the CRM environment tailored to their context.
Mautic is marketing automation software (email, social, & more). Install on your own website or create a free hosted account. The simple 3-step setup process takes less than 5 minutes and you'll be ready to reclaim control of your marketing.
Web-based CRM for sales, service, marketing, and call center operations that allows users to manage customer relationships and customer satisfaction.
On-demand CRM (Customer Relationship Management) services for managing organization-wide sales, marketing, customer support, and orders.
SuiteCRM provides an enterprise-grade Customer Relationship Management (CRM) application to a global community of users and software developers. It is a robust and credible alternative to Salesforce, Microsoft and the major CRM vendors.
Pipedrive is a powerful sales pipeline management tool. It organizes your leads in a way you'll always have a great overview of sales, and important deals won't get dropped.
Sugar is a complete CRM solution that automates your core sales, customer service and marketing processes, with a focus on the individual.
Insightly is a web-based project and Customer Relationship Management (CRM) application that integrates with Google Apps via a Gmail contextual gadget and Google Docs support.