Open Source Windows CRM Software
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CRM Software for Windows
View 550 business solutionsBrowse free open source CRM software and projects for Windows below. Use the toggles on the left to filter open source CRM software by OS, license, language, programming language, and project status.
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Fully Managed MySQL, PostgreSQL, and SQL ServerCloud SQL handles your database ops end to end, so you can focus on your app.
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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/ -
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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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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 -
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CiviCRM
Growing and Sustaining Relationships
CiviCRM is an open source and freely downloadable constituent relationship management solution for advocacy, non-profit and other organizations. Learn more at http://civicrm.org -
Go From AI Idea to AI App FastAccess Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
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phpList
Powerful Open Source Email Marketing app with analytics & segmentation
phpList delivers Open Source email marketing, including analytics, list segmentation, content personalisaton and bounce processing. Extensive technical features and a secure and stable codebase are the result of over 17 years of continuous development. Used in 95 countries, available in 20+ languages, and used to send 25 billion email campaigns last year. Deploy it with your own SMTP server, or get a free hosted account at http://phplist.com. -
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Rukovoditel - Project Management/CRM
Free web-based open-source project management application
Rukovoditel is a free web-based open-source project management application. A far cry from traditional applications, Rukovoditel gives users a broader and extensive approach to project management. Its customization options allow users to create additional entities, modify and specify the relationship between them, and generate the necessary reports. The platform enables users to craft their own application that is specifically tailored for their activity (CRM, ERP, HRM, WMS, etc.). Rukovoditel can be implemented not only as a project management tool, but also as a CRM platform, or a combination of both. -
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SuiteCRM
The multi-award winning SuiteCRM is the world's best open source CRM.
SuiteCRM, developed and maintained by SuiteCRM Ltd, is the world’s most popular open-source CRM solution. With nearly 2 million downloads and an estimated 5 million users globally, it is the go-to choice for businesses seeking flexibility without compromise. As a fully open-source platform, SuiteCRM allows organisations to scale and customise modules to fit their unique workflows. Whether deployed on-premise, as a SaaS solution, or in a private cloud, it ensures total data sovereignty and GDPR compliance. By delivering actionable insights across sales, marketing, and support, SuiteCRM empowers teams to turn data into growth and customer loyalty. -
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Asterisk GUI client, VICIdial
VICIdial Contact Center Suite
This software suite is designed to extend the functionality of the Asterisk PBX through platform-independant web-client applications. Includes the VICIdial inbound/outbound contact center application. The suite is scalable across multiple Asterisk servers. -
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Twenty
Building a modern alternative to Salesforce, powered by the community
We’ve spent thousands of hours grappling with traditional CRMs like Pipedrive and Salesforce to align them with our business needs, only to end up frustrated — customizations are complex and the closed ecosystems of these platforms can feel restrictive. We felt the need for a CRM platform that empowers rather than constrains. We believe the next great CRM will come from the open-source community. We’ve packed Twenty with powerful features to give you full control and help you run your business efficiently. Contribute, self-host, fork. Break free from vendor lock-in and join us in shaping the open future of CRM. The days when the role of CRM platforms was to shift manual data entries to a database are over. Now, the data is already there. CRM 2.0 should be built around your data, allowing you to access and visualize any existing sources, not forcing you to retrofit your data into predefined objects on a remote cloud. -
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SuiteCRM Translations
SuiteCRM Translations Language Packs
SuiteCRM, developed and maintained by SuiteCRM Ltd, is the world’s most popular open-source CRM solution. With nearly 2 million downloads and an estimated 5 million users globally, it is the go-to choice for businesses seeking flexibility without compromise. FAQ: Install a new language - https://docs.suitecrm.com/admin/installation-guide/languages/install-a-new-language/ Contribute Languagaes Translations - https://crowdin.com/project/suitecrmtranslations -
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Krayin CRM
Free & Opensource Laravel CRM solution for SMEs and Enterprises
Krayin CRM is a hand-tailored CRM framework built on some of the hottest open-source technologies such as Laravel (a PHP framework) and Vue.js a progressive Javascript framework. Free & Opensource Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management. We also have a forum for any type of concerns, feature requests, or discussions. Please visit: Krayin CRM Forums. -
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EspoCRM
EspoCRM – Open Source CRM Application
EspoCRM is a flexible, open-source Customer Relationship Management (CRM) platform that allows businesses to manage customer interactions, sales pipelines, marketing activities, and support processes. It is designed to be lightweight and user-friendly, with a modern web interface and strong customization capabilities. EspoCRM supports a wide range of modules and is suitable for small to medium-sized businesses looking for a self-hosted CRM solution that can be tailored to their needs. -
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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. -
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oreka
Enterprise telephony recording and retrieval system
Enterprise telephony recording and retrieval system with web based user interface. The project currently supports recording voice from VoIP SIP, Cisco Skinny (aka SCCP), raw RTP and audio sound device and runs on multiple operating systems and database systems. It can record audio from most PBX and telephony systems such as BroadWorks, Metaswitch, Asterisk, FreeSwitch, OpenSIPS, Avaya, Nortel, Mitel, Siemens, Cisco Call Manager, Cosmocom, NEC, etc... It is amongst others being used in Call Centers and Contact Centers for Quality monitoring (QM) purposes. -
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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. -
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YetiForce CRM
The most affordable CRM system according to Capterra
Are you looking for a system to boost your sales? Do you want to improve your relationships with customers? Do you want to contribute to the fastest growing open source project on GitHub? You can use YetiForce completely free of charge. With YetiForce’s help you will manage 12 business processes in your company, no matter the size. The vast number of features available for free helped us win the first place in Capterra’s “Most Affordable CRM Software” ranking. YetiForce’s open source code was released under a very flexible and liberal license, which gathers a large and active community around the project. You too can contribute to it no matter if you are a professional programmer or software development is just your hobby. Download YetiForce for free and find out why you should become one of more than 250 000 people who already use it. Testing versions: GitStable: https://gitstable.yetiforce.com/ GitDeveloper: https://gitdeveloper.yetiforce.com/ -
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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. -
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Onfinity All-in-One ERP
Onfinity is a modern, AI driven All-in-One ERP
Onfinity (formerly Vienna Advantage) is a modern and future oriented ERP developed in C#.Net, jQuery, PostgreSQL and React Native Mobile app. Functional Details at: https://www.onfinity.io/erp-editions-comparison.php Open Source Modules: - Finance - Budgeting - Order Management - Asset Management - HR Management - Project Management - Customer Relationship Management - eCommerce and more Based on a No-Low Code Framework, Inbuilt Workflow Editor, Report Writer and more, it comes with an excellent Architecture. Community comes with Free community support, Access to Market with all Updates and Patches and implementation tools. -
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Invoice Plane
A self-hosted open source application for managing your invoices
InvoicePlane is an open-source invoicing and client management system designed for small businesses and freelancers. It enables users to create, send, and manage invoices and quotes efficiently. The system supports multiple languages, currencies, and tax rates, making it suitable for global use. InvoicePlane also provides detailed financial reporting and client management features. -
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vtenext, holistic CRM is not for you if you are looking for: - a classic CRM separated by departments, a copy of the closed source CRM but open source - a solution that permit to you to avoid to pay any kind of support for the CRM of your company - a second choice CRM, cause you have not enough budget for the closed source. So please, save time and save energy. Don’t DOWLOAD VTE If you are looking for: - a new age of CRM applications - a solution that has the right balance between performance and user licenses - an holistic application that manage all the customer processes, including the internal customers Please go on and have fun. For any support feel free to contact us and to have more information regarding the installation procedure visit: http://usermanual.vtenext.com/books/installation-requirements/page/installation-requirements-vtenext-1812
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]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. -
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ResCarta
Archive your personal history
ResCarta Toolkit offers an open source solution to creating, storing, viewing, and searching digital collections. Applications in the toolkit let users create and edit metadata, convert data to open standard ResCarta format, index and host collections. -
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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.
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Zurmo Open Source CRM
Open Source CRM Application. Gamified, Mobile, Social
Open Source CRM application that is mobile, social, and gamified. Written in PHP utilizing jQuery, Yii Framework, and RedBeanPHP. We use a test-driven methodology for building every part of the application. This means you can create and maintain a custom-built Open Source CRM system with the assurance that future updates are not going to break your installation. (www.zurmo.org) -
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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. For more info about Defalto CRM visit our page at: https://defalto.com/ Source code available at: https://github.com/IT-Solutions4You/defalto
