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Top 3 Best Open Source CRM Software [FREE]

Updated 6 June 2024

CRM helps your organization to build better relationships with clients so that you will get high business growth. Here we will explain the “Top 3 open source CRM software“.

CRM is used to communicate with prospective clients, manage leads, get them onboard, send quotations, collect customer data, and analyze customer life cycles.

There is a lot of expensive CRM available in the CRM industry like Zoho, Salesforce, Freshworks, and many more.

Sadly, there are very few truly open-source and free alternative CRM softwares available.

Open Source CRM Stats

CRM software revenues have overtaken database management systems to become the largest of all software markets.

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Open Source CRM Stats

And with revenues expected to reach over $80 billion by 2025, it’s no surprise that custom CRM development is the fastest-growing software market.

What is Open Source CRM?

A CRM being open source means that its source code is publicly available. So, this source code can be modified, distributed, and redistributed by users and their requirements.

Developers get together on the GitHub platform or any other platform to fix issues, add new features, and add an enhancement.

Top 3 Best Open Source CRM software

Here, I am going to discuss the most commonly used opensource CRM platform so that you can make a better choice.

Krayin CRM

Krayin CRM is a new kid in open-source CRM software. It is built on the most popular PHP framework Laravel since Krayin inherits features of Laravel, which makes Krayin super flexible and scalable CRM software.

Krayin CRM


  • Built on Laravel which is the most popular PHP-based framework
  • Easy customization
  • Complete modular architecture also Marketplace for CRM apps is also available (coming soon)
  • Easy to create leads and manage through the Kanban view
  • Unlimited Custom field (custom attribute)


  • It is a new CRM software so don’t have a big community
  • Need more documentation.

Odoo CRM

With over 5 million users Odoo is the top open-source CRM. Odoo is an open-source ERP software that comes with various modules that include CRM modules as well. 

Odoo is highly complex and along with CRM includes WMS, HR management software, and many modules. 

Odoo CRM


  • Built on python and very popular community available.
  • Easy to use UI/UX with pipeline and leads management.
  • Kanban View to track sales Lead


  • A highly complex platform is not an easy task to customize.
  • Not a dedicated CRM software it is a module so the extra load will be there on the server.
  • During customization need to be taken care of other models as well because it is tightly integrated with other functionality.


SuiteCRM is one of the most popular open-source and PHP-based CRM software. It is open source and includes REST API that will help you to seamlessly integrate with your other business system.

The most important thing with SuiteCRM It is completely free with no limitations on users.


  • A popular community is available.
  • Marketplace extension is also available; vendors can add their own plugins.
  • It is built on scratch PHP so anyone can customize it as per their need.
  • In-built marketing modules.


  • UI is a little outdated so improvement is required in UI. 
  • It is not using any standard framework in CRM development so it’s hard to upgrade and long learning cycle.
  • The developer guide needs to be updated.
  • It becomes slow on large databases.

Hope this article will be helpful for you. If you have any issues feel free to raise a ticket at our HelpDesk system.

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