Best Open Source CRM Software 2025

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Browse free open source CRM software and projects below. Use the toggles on the left to filter open source CRM software by OS, license, language, programming language, and project status.

Enterprise-Grade Monitoring - Zero Compromises
PRTG delivers deep visibility and proactive alerts for complex IT. Monitor, analyze, and optimize - all in one platform.

Managing a large, distributed IT environment demands more than basic monitoring. PRTG provides a unified view of your entire infrastructure - across sites, clouds, and hybrid setups. Advanced analytics, customizable dashboards, and granular access controls empower your team to detect issues early and respond fast. Automate reporting, ensure compliance, and scale effortlessly as your network grows. With PRTG, you get reliability, flexibility, and the insights you need to keep your business running at peak performance.

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The CRM you’ll want to use every day
With CRM, Sales, and Marketing Automation in one, Act! gives you everything you need for happier clients, more revenue, and less stress.

Act! Premium is perfect for small and midsize businesses looking to market better, sell more, and create customers for life. With unparalleled flexibility and freedom of choice, Act! Premium accommodates the unique ways you do business. Whether it’s customizations to fit your specific business or industry processes or your preferences for deployment and access, the possibilities with Act! Premium are limitless.

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1

Openia CRM virtual appliance - Openbravo

Community CRM module for Openbravo with mobile support

OpeniaCRM is a module for Openbravo ERP released under community license. The module aims to cover the basic CRM functionalities like activities (call, meeting, task), lead, opportunities, cases and documents handling. It includes also a interactive calendar and a "Fast Lookup" HTML5 interface browsable from smartphones and tablets. Version 1.0.72 is available! Includes: - New Widgets on: Activities, Cases, Opportunities and Recently Updated Leads - New Views: now you will be able to have a look at all your leads depending on their Location ("Leads Per Location" window) and Their Interests ("Functionality of Interest To Leads" window) - New exportable report: "Opportunities by Lead" - Minor bug fixes If you are already using OpeniaCRM update it to the latest version and if not try it out!

Downloads: 21 This Week

Last Update: 2016-04-27
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2

Grass CRM

The Best Open Source Java based CRM

Android version: http://app.lenovo.com/app/15062025.html

Downloads: 0 This Week

Last Update: 2016-02-16
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3

MyCouncil

A framework to enable local authorities to promote and publicise the geographical and political structures of their area and to enable the move to a Self Service approach to providing public services.

Downloads: 0 This Week

Last Update: 2015-07-29
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