How to: Customer Relationship Management (CRM)
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[Customer relationship management (CRM)](https://en.wikipedia.org/wiki/Customer_relationship_management) is a strategic process that organizations use to manage, analyze, and improve their interactions with customers.

_Related: [Communication - Email - Mailing Lists and Newsletters](#communication---email---mailing-lists-and-newsletters), [Analytics](#analytics), [Calendar & Contacts](#calendar--contacts)_

- [Corteza](https://docs.cortezaproject.org) - CRM including a unified workspace, enterprise messaging and a low code environment for rapidly and securely delivering records-based management solutions. ([Demo](https://latest.cortezaproject.org), [Source Code](https://github.com/cortezaproject/corteza)) `Apache-2.0` `Go`
- [Django-CRM](https://DjangoCRM.github.io/info/) - Analytical CRM with tasks management, email marketing and many more. Django CRM is built for individual use, businesses of any size or freelancers and is designed to provide easy customization and quick development. ([Source Code](https://github.com/DjangoCRM/django-crm)) `AGPL-3.0` `Python`
- [EspoCRM](https://www.espocrm.com/) - CRM with a frontend designed as a single page application, and a REST API. ([Demo](https://demo.espocrm.com/), [Source Code](https://github.com/espocrm/espocrm)) `AGPL-3.0` `PHP`
- [Krayin](https://krayincrm.com/) - CRM solution for SMEs and Enterprises for complete customer lifecycle management. ([Demo](https://demo.krayincrm.com/), [Source Code](https://github.com/krayin/laravel-crm)) `MIT` `PHP`
- [Monica](https://monicahq.com/) - Personal relationship manager, and a new kind of CRM to organize interactions with your friends and family. ([Source Code](https://github.com/monicahq/monica)) `AGPL-3.0` `PHP/Docker`
- [SuiteCRM](https://suitecrm.com) - The award-winning, enterprise-class open source CRM. ([Source Code](https://github.com/SuiteCRM/SuiteCRM)) `AGPL-3.0` `PHP`
- [Twenty](https://twenty.com) - A modern CRM offering the flexibility of open source, advanced features, and a sleek design. ([Source Code](https://github.com/twentyhq/twenty)) `AGPL-3.0` `Docker`