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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.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • Yeastar: Business Phone System and Unified Communications Icon
    Yeastar: Business Phone System and Unified Communications

    Go beyond just a PBX with all communications integrated as one.

    User-friendly, optimized, and scalable, the Yeastar P-Series Phone System redefines business connectivity by bringing together calling, meetings, omnichannel messaging, and integrations in one simple platform—removing the limitations of distance, platforms, and systems.
    Learn More
  • 1
    Vtiger CRM

    Vtiger CRM

    An enterprise-class CRM and more!

    Vtiger CRM enables sales, support, and marketing teams to organize and collaborate to measurably improve customer experiences and business outcomes. Vtiger CRM also includes email, inventory, project management, and other tools, providing a complete the business management suite. Download Vtiger CRM here or sign up for a free 15-day free trial of the cloud-based application with free updates and support at https://www.vtiger.com/
    Leader badge">
    Downloads: 703 This Week
    Last Update:
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  • 2
    Group Office groupware and CRM

    Group Office groupware and CRM

    Take your office and CRM into the cloud!

    Installation instructions can be found here: https://groupoffice.readthedocs.io/en/latest/install/install.html Group Office is an open source groupware application. It makes your daily office tasks easier. Share projects, calendars, files and e-mail online. It is a complete solution for all your online office needs. From a customer phone call to a project and finally an invoice. The support system helps to keep your customers happy. Group Office is fast, secure and has privacy by design. You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. Which means it’s easy to customise and extend. You can turn off and on features and it enables any developer to create new modules for the platform.
    Downloads: 84 This Week
    Last Update:
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  • 3
    EspoCRM - Open Source CRM

    EspoCRM - Open Source CRM

    Moving in the right direction together!

    EspoCRM software is that it’s fully customizable. We strive to create a solution that fits different business and industry needs, without having to rely on a “one size fits all” approach or make you spend a fortune on customization. Demo: https://www.espocrm.com/demo/ Installation: https://docs.espocrm.com/administration/installation/ Customer relationship management (CRM) software is developing every day due to ever-changing global business environment and rapid advances in digitalization of the whole sales process. Being only a basic customer information database in the very beginning of its existence, CRM systems have evolved into something more than just sales software. Today, CRM is considered to be the entire approach to managing interaction with current and potential clients. The system fosters customer loyalty, automates the sales pipelines, streamlines business processes and provides powerful insights into sales performance. Apache / PHP / MySQL
    Downloads: 49 This Week
    Last Update:
    See Project
  • 4
    Defalto

    Defalto

    Fast, modular open-source CRM for growing businesses

    Defalto CRM, developed by IT-Solutions4You, is a modern and modular open-source CRM system built on over 15 years of real business and CRM development experience. Designed for companies of all sizes, it helps teams manage sales, projects, and customer relationships efficiently through a clean, intuitive interface. The platform combines professional know-how with modern design and functionality. Its free core modules cover essential CRM features, while optional add-ons expand capabilities for advanced business needs. Defalto CRM supports both on-premise and cloud deployment, offering full flexibility and data control. Source code available at: https://github.com/IT-Solutions4You/defalto
    Downloads: 27 This Week
    Last Update:
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  • AI-based, Comprehensive Service Management for Businesses and IT Providers Icon
    AI-based, Comprehensive Service Management for Businesses and IT Providers

    Modular solutions for change management, asset management and more

    ChangeGear provides IT staff with the functions required to manage everything from ticketing to incident, change and asset management and more. ChangeGear includes a virtual agent, self-service portals and AI-based features to support analyst and end user productivity.
    Learn More
  • 5
    MYIT CRM

    MYIT CRM

    MYIT CRM is a total CRM project designed for Computer Servicing and Re

    MYIT CRM is a total CRM project designed for Computer Servicing and Repairs.This project has Invoicing, Work Order management,Customers Details (CRM),Payment processing (Paypal, Paymate, etc),Job Scheduling and Calendar,PDF Invoices and lots more.
    Downloads: 6 This Week
    Last Update:
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  • 6
    IGSuite - Integrated Groupware Suite

    IGSuite - Integrated Groupware Suite

    IGSuite is a web-ajax-based Integrated Groupware Suite

    IGSuite is a web-based Integrated Groupware Suite oriented to be a CRM solution. In the Suite you can find: IGWebMail, IGCalendar, IGContacts, IGArchive, IGWiki, IGTodo, IGChat, Projects, IGFax an HylaFax client, IGFileManager, IGMsg and many other.
    Downloads: 4 This Week
    Last Update:
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  • 7
    JFire - Free ERP & Trading Platform

    JFire - Free ERP & Trading Platform

    A trading platform including ERP, CRM, and accounting

    JFire is a trading platform including ERP, CRM, accounting (full double-entry) and cross-organisation-trading written in Java based on J2EE, JDO and the Eclipse RCP. See http://www.jfire.net for more information.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    The most complete Open Source Java CRM + GroupWare suite including: sales automation, customer service, intranet, email marketing, content management, bug tracker, project manager, social networks integration, webmail, calendar, forums, file sharing.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 9
    openCRX - Enterprise Class CRM

    openCRX - Enterprise Class CRM

    professional CRM and groupware service, ready for the cloud

    openCRX moved to https://github.com/opencrx
    Downloads: 1 This Week
    Last Update:
    See Project
  • Dominate AI Search Results Icon
    Dominate AI Search Results

    Generative Al is shaping brand discovery. AthenaHQ ensures your brand leads the conversation.

    AthenaHQ is a cutting-edge platform for Generative Engine Optimization (GEO), designed to help brands optimize their visibility and performance across AI-driven search platforms like ChatGPT, Google AI, and more.
    Learn More
  • 10
    Tustena CRM is an Enterprise-Class Customer Relationship Management server written in C# for the .NET platform with many advanced features like Companies/Leads/Contacts Manager, Calendaring, Groupware, Email Marketing, Reporting, Orders, Catalogs, etc.
    Downloads: 2 This Week
    Last Update:
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  • 11
    Team Elements is an Enterprise 2.0 team collaboration suite. It ties discussions, wikis, RSS, project and document management, and federated search into a unified application. It is database-driven with rigorous role-based access and permissions.
    Downloads: 1 This Week
    Last Update:
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  • 12
    This project is a complete suite for companies to manage their Customer Base, Routing, Inventory, AR, Ticketing, and other management items related to the fields of Waste Management, Propane, Concrete, Harzard, and Petrol.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    SpaceBooker
    SpaceBooker is a powerful off- and online booking software for hostels, fairs, villages, rent-a-car and similar places with graphical booking needs. With it's graphical Front Desk software is packed with high usability unusual for a database product
    Downloads: 1 This Week
    Last Update:
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  • 14
    BPMspace is open for extensions and free to use. BPMspace connects business processes with each other, similar to a relational database. Learn how to build/model a CMS and CMDB: http://www.mitsm.de/schulungen/spezial-schulungen/itil-cmdb-modellierung-und-konzeption
    Downloads: 0 This Week
    Last Update:
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  • 15
    CLIGRAPHCRM is a CRM web based. Open source CeCILL-C licence. It provides reports with graphs, sales-management, marketing campaigns with e-mailing, data export,internal news,etc.. online demo at http://www.projetcligraphcrm.com/clt1 user : demo34 pass :
    Downloads: 0 This Week
    Last Update:
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  • 16
    CentraView - Browser based Enterprise Java (J2EE) Contact Management, Groupware, Collaboration, CRM, SFA, Project Management software. Run locally or as a hosted service. Built on Apache Tomcat, JBoss, MySQL, Linux (Fedora, RedHat and others) & Windows
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    CentraView - european version is a (temporary) fork of the CentraView project, with patches and additions to make it comfortable for european users. The current development version is not fully compatible to the original Centraview application.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    ClinicWare (F.K.A MEDiNET) is an enterprise manager for healthcare institutions. It can manage small-to-large institutions with functionality to manage all aspects of clinical management (patients, drugs/inventory, appointments, etc).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Computer Repair CRM Open Source Project, A active web based customer management, trouble ticket and billing system for independent computer repair and service professionals and businesses based on the CiteCRM platform which ceased developement last year.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Contact Management Software
    System for market research for improved customer lifecycle management. Boosts acquisition, relationships, and collaboration through role-based access, scheduling, and task management
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    CottageMed™ EHR
    Since 2001 CottageMed™ has been the simplest, most flexible, ruggedly dependable and HIPAA-secure Electronic Medical Records system (EMR/EHR)...with secure wireless networking, mobile support, and prescription writing on Mac and PC (& Linux client)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    DeciGen® is an ERP with added features for help in decision making process. DeciGen incorporates Decision Support System over an framework of ERP to provide a feature rich solution. It aims to achieve the final goal of IT - to run business smoothly. Dec
    Downloads: 0 This Week
    Last Update:
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  • 23
    Open Source CRM EBI Neutrino R1 is a ERP / CRM Framework for ERP and CRM software. Database independent MySQL Oracle using hibernate sql framework, Jasperreports as Report Engine. Portable Application http://www.ebineutrino.org
    Downloads: 0 This Week
    Last Update:
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  • 24
    EGG crm (Easy Graphical Genuine)
    EGGcrm is an open source CRM web based. It provides reports with graphs, sales-management, e-mailing/webmail, data export, internal news, etc.. Online demo at www.eggcrm.net
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    -------------- CASTELLANO ----------------------- CRM para la gestión de centros en los que se apliquen tratamientos de cualquier tipo. Gestión de servicios, productos, empleados, informes. ------------------ ENGLISH ---------------------- CRM for the
    Downloads: 0 This Week
    Last Update:
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