openCRX is described as 'leading open source CRM suite - enterprise class' and is an app in the Business & Commerce category. There are more than 100 alternatives to openCRX for a variety of platforms, including Online / Web-based, Windows, iPhone, Mac and Android. The best alternative is ERPNext, which is both free and Open Source. Other great apps like openCRX are Odoo (Freemium, Open Source), EspoCRM (Freemium, Open Source), Mautic (Freemium, Open Source) and Zoho CRM (Freemium).
ERPNext is a free and open-source integrated Enterprise Resource Planning (ERP) software developed by Frappé Technologies Pvt. Ltd. and is built on MariaDB database system using a Python based server-side framework.
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.
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.
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. Pipedrive is mostly used by small demanding teams.