Best Open Source CRM Software 2026

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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.

Paessler: Easy to Use With Enterprise Power. Free Trial
A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.

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Build Agents and Models on One Platform
Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.

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1

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: 1 This Week

Last Update: 2015-07-29
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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

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: 0 This Week

Last Update: 2016-04-27
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