Browse free open source CRM software and projects for Linux 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

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

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    Simple, Secure Domain Registration

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  • 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/
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    Downloads: 698 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: 59 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: 24 This Week
    Last Update:
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  • 4
    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: 9 This Week
    Last Update:
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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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  • 5
    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: 22 This Week
    Last Update:
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  • 6
    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: 9 This Week
    Last Update:
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  • 7
    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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  • 8
    Neogia
    The ERP solution Neogia leans on OFBiz ERP sturdy technical foundations, a set of technical and business components well known for their high coverage, flexibility and great sturdy. OFBiz Neogia solution covers finance, manufacturing, CRM and e-commerce
    Downloads: 4 This Week
    Last Update:
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  • 9
    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: 1 This Week
    Last Update:
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  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
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  • 10
    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: 1 This Week
    Last Update:
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  • 11
    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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  • 12
    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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  • 13
    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:
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  • 14
    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:
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  • 15
    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:
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  • 16
    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
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  • 17
    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:
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  • 18
    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
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  • 19
    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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  • 20
    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:
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  • 21
    -------------- 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
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  • 22
    Add events from SugarCrm (Meetings,Calls,Tasks) to an Google Calendar account ... with SMS alert enabled.
    Downloads: 0 This Week
    Last Update:
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  • 23
    Mambo Residents (aka mosres) is a mambo component for managing hotels, bed and breakfasts and other accomodation related businesses. For upto date information & monitored forums visit http://mamboforge.net/projects/mosres/ and http://tikiwiki.mosres.net
    Downloads: 0 This Week
    Last Update:
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  • 24
    The Mamook(R) software system is an ideal web-based recruitment tool for companies and co-op/internship programs. It contains modules for job postings, applications, company and applicant information, interview signup, and advanced reporting/searching.
    Downloads: 0 This Week
    Last Update:
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  • 25
    OBM is a groupware, email, LDAP, Windows PDC, CRM, and project application mainly used as an Exchange or Notes/Domino replacement with groupware connectors for Outlook, Thunderbird/Lightning, and PDAs. It is highly scalable up to many thousands of users
    Downloads: 0 This Week
    Last Update:
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