Browse free open source CRM software and projects for Windows and Linux below. Use the toggles on the left to filter open source CRM software by OS, license, language, programming language, and project status.

  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
    Try it free
  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

    BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
    Try Free
  • 1
    Dolibarr ERP - CRM

    Dolibarr ERP - CRM

    Open source ERP and CRM web software for business

    Dolibarr ERP - CRM is an easy to use ERP and CRM open source software package (run with a web php server or as standalone software) for businesses, foundations or freelancers (prospect, invoicing, inventory, warehouse, order, shipment, POS, members for foundations, bank accounts...). Dolibarr is also available with auto-installers for users with no technical knowledge to install Dolibarr and all its prerequisites (Apache, Mysql, PHP) with just one package. Available platforms for such packages are: Windows, Debian, Ubuntu, Mint, Redhat, Fedora, OpenSuse, Mandriva, Mageia. Other platform can use the generic distribution. This is a modular product, than can be enhanced with tons of external modules (to provide you features not available by default) from https://www.dolistore.com Download Dolibarr ERP - CRM here or sign up for 15-day free trial of the cloud-based application with free updates and support at one of the Cloud providers https://saas.dolibarr.org/
    Leader badge
    Downloads: 4,713 This Week
    Last Update:
    See Project
  • 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: 81 This Week
    Last Update:
    See Project
  • 3
    Odoo

    Odoo

    Open-source business management software

    Odoo 18 is a comprehensive open-source business management software that offers a suite of integrated applications to streamline various organizational processes. Designed for flexibility and scalability, it provides tools for managing functions like sales, inventory, accounting, human resources, and customer relationships. Odoo's modular structure allows businesses to adopt only the features they need while maintaining the option to expand functionality as they grow. The open-source version is community-driven, making it cost-effective and continuously improving through global developer contributions. Its user-friendly interface and robust customization options make it a popular choice for small to medium-sized businesses seeking an adaptable and efficient ERP solution.
    Downloads: 84 This Week
    Last Update:
    See Project
  • 4
    ]project-open[ - Project Server

    ]project-open[ - Project Server

    Enterprise project management replacement for Project Server

    ]project-open[ is Web based enterprise project management application with a focus on finance and collaboration. It’s main purpose is to coordinate the work of project managers, project members and stake holders across multiple projects. Target organizations are companies or corporate departments that need to track finances, tasks, and resources for a large number of concurrently running projects. ]project-open[ consists of about 200 modules for resource management, time sheet management, HR, CRM, ITSM, collaboration and financials. ]po[ is built on top of OpenACS.org, an open-source Web platform featuring role-base permissions, workflows, dynamically extensible objects and full-text search.
    Downloads: 20 This Week
    Last Update:
    See Project
  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
    Try Free
  • 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: 19 This Week
    Last Update:
    See Project
  • 6
    Compiere ERP + CRM Business Solution
    Compiere ERP+CRM is the leading open source ERP solution for Distribution, Retail, Manufacturing and Service industries. Compiere automates accounting, supply chain, inventory and sales orders. Compiere ERP is distributed under GPL V2 by Compiere, Inc.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 7
    Open Source ERP
    The Open Source ERP is a web based. The ERP server software runs on Linux. The ERP need no plugins in the browser on the client computer. The ERP can be accessed from any where with out effort. Be it at home with your home computer (Windows, Linux, MAC OS X), or traveling with your smart phone (iPhone, iPad, Android), or in the office, the data is always at hand. Webdav interface and Active Sync for synchronizing contacts and time management. In addition to customer, order, invoice management, etc... the ERP has a complete warehouse management including a order management for material in the warehouse.
    Leader badge
    Downloads: 13 This Week
    Last Update:
    See Project
  • 8
    S.A.F.E. Open Source Microfinance Suite

    S.A.F.E. Open Source Microfinance Suite

    Open Source Microfinance Suite

    S.A.F.E. is a "Open Source Microfinance Suite" created for help to the operational needs from the Microfinance institutions, developer with Web 2.0 technologies. english demo: https://english.sipakal.com Español : https://demo.sipakal.com ¿Como Instalar? : http://goo.gl/9ILv8X Default User: root Default Password: root Docker : https://hub.docker.com/r/sipakal/safeosms Source Code : https://github.com/patadejaguar/safeosms
    Downloads: 11 This Week
    Last Update:
    See Project
  • 9
    ERP and CRM suite, including eCommerce, inventory, warehouse, order, customer management, general ledger, MRP, POS. Database independent service-oriented architecture (SOA)
    Downloads: 5 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 10
    Software for Driving School management. Basic fonctionnalities : store and manage clients, details of driving education, results and statistics of exams. Not maintained anymore.
    Leader badge
    Downloads: 3 This Week
    Last Update:
    See Project
  • 11
    TinyERP has been replaced by openerp, in october 2008. Check the openerp website for more information.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 12
    citrusdb is the open source customer care and billing software that can be used in many service industries, internet service, subscriptions, consulting, and telecommunications. Provides CRM, Ticketing, Invoicing, and Credit Card Batches.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 13
    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: 1 This Week
    Last Update:
    See Project
  • 14
    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: 1 This Week
    Last Update:
    See Project
  • 15
    Advanced, enterprise-class J2EE Customer Relationship Management (CRM) suite including Sales Force Automation (SFA), marketing, campaign management, and customer service. Features similar to Salesforce.com, Netsuite, or Siebel OnDemand.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    ADempiere Localización Venezuela - LVE
    Localización para Venezuela del Proyecto ADempiere: Manejo de impuestos, formatos fiscales, nómina y recursos humanos, etc NOTA: Las contribuciones de Double Click Sistemas C.A. al proyecto de localización Venezuela se estarán haciendo a partir del 18-04-2012 en http://code.google.com/p/adempiere-lve-361/
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Energy Sector Specification for Adempiere.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    AdminERP es un sistema de Planificacion de Recursos Empresariales (ERP), adaptado al mercado Venezolano, que permite llevar el control de los recursos financieros, humanos, produccion y gerenciales que necesita la empresa moderna.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    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:
    See Project
  • 20
    BurlyCRM
    BurlyCRM is a customer relationship management tool designed to aid burlesque performers and producers to effectivly manage their business and have access to important business information anywhere they will have internet access.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    C.A.T. (Customer Administration Tool)
    C.A.T. ist eine Verwaltungssoftware für kleine Kfz-Betriebe. Mit C.A.T. werden Kunden und Kundenfahrzeuge verwaltet, C.A.T. unterstützt die vollständige Rechnungslegung, inkl. Erstellung von Kostenvoranschlägen, Aufträgen und Kundenkorrespondenz
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    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:
    See Project
  • 23
    Inventory, manufacturing, sales (POS) automation suite that consists of software written in Java 6 and custom developed hardware.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    This project provide an add-on for The Compiere ERP-CRM for handling Advanced Pricing/Discount engine process. Most of the distribution company in the world need that engine.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    XCompiere is a construction and maintenance of Compiere ERP+CRM wich Manufactures (CMCPS), especially gone back to the Brazilian business. They are mainly included the translation for pt_BR and the creation of the accounting plan.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • Next
MongoDB Logo MongoDB