Yes, there are several open-source CRM platforms that you can customise for your business. Platforms like SuiteCRM, EspoCRM, and Krayin CRM offer flexibility and control over your data. You can easily change features, workflows, and user interfaces. Being self-hosted, an open source CRM lets you handle hosting and integrations without depending on third parties. These CRMs are cost-effective, scalable, and adaptable. They give your business full control and long-term independence while keeping things simple and manageable.