Top 10 Best Open Source CRM Software: Our Selection

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Although the basic version of the open source CRM is free , there may be additional costs for advanced features or technical support. This flexibility is also supported by a vibrant developer community and scalability, ensuring your business has a sustainable and secure solution for lead management and sales automation.





EspoCRM , a multilingual open source CRM phone number list software created in 2014, is highly regarded by over 50,000 businesses due to its efficient customer relationship management.

Are you an SME? This is the solution for you! EspoCRM combines contact, opportunity, and customer support management, while offering an integrated, easy-to-use email marketing tool.

Its user-friendly interface and English-language community forum make it easy to get started and encourage mutual assistance between users. While it's free to download, EspoCRM offers paid cloud services starting at $15/month after a free trial period.