Open Source Windows CRM Software
Sort By:
CRM Software for Windows
View 579 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.
-
Custom VMs From 1 to 96 vCPUs With 99.95% UptimeLive migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
-
Our Free Plans just got better! | Auth0You 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.
-
1
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/ -
2
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/ -
3
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. -
4
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. -
Earn up to 16% annual interest with Nexo.Generate interest, access liquidity without selling, and execute trades seamlessly. All in one platform. Geographic restrictions, eligibility, and terms apply.
-
5
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. -
6
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. -
7
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 -
8
SuiteCRM
SuiteCRM - Open source CRM for the world
SuiteCRM is an open-source customer relationship management (CRM) software that serves as an alternative to proprietary CRM solutions. It offers a wide range of features for managing customer interactions, sales processes, and marketing campaigns. SuiteCRM is modular and highly customizable, making it suitable for businesses of all sizes looking to manage customer data efficiently. -
9
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. -
Ship Agents FasterGemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
-
10
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.
-
11
Epesi BIM Free & Open Source CRM
Open-source CRM/ERP: contacts, calendar, email, tasks & file sharing
Epesi is an open-source CRM and a starting point for custom ERP systems. Built on Laravel 12, Filament 5 and Livewire. What you get: - CRM: Companies, Contacts, Phone Calls, Tasks and Meetings, with a calendar that merges events from every module. - Dashboard with applets: priority list, messages, reminders, sticky notes. - Attachments, watchdog (watch a record, get notified of changes), follow-ups, and e-mail with the Roundcube webmail built in. - Modules you install, enable and disable from the Administration panel, with no code deploy. - Languages: English, German, Spanish, French, Polish, Persian (Farsi), Hebrew, Arabic, Italian, Japanese, Portuguese (Brazil), Russian, Chinese (Simplified) - Calendars: Gregorian, Jalali, Hijri, Umm al-Qura Mobile friendly, light and dark mode. -
12
Close
Releases for the Close macOS and Windows Desktop application
Close Desktop provides Windows and macOS access to Close CRM, a sales management platform that brings customer communication and pipeline tracking into one workspace. Sales representatives can organize leads, contacts, opportunities, and related activities without switching between multiple tools. Built-in calling allows users to make and receive business calls directly from the application. Email and SMS messaging keep conversations associated with relevant lead records. A centralized inbox highlights follow-ups, missed communications, and outstanding tasks. Automated workflows help coordinate outreach sequences and reminders. Smart Views filter prospects according to customizable sales criteria, while reporting tools track individual and team performance. The desktop application supports account-based sign-in and application updates. -
13
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) -
14
DenchClaw
Fully Managed OpenClaw Framework for all knowledge work ever
DenchClaw is a local-first AI-powered CRM and productivity platform built on top of the OpenClaw framework, designed to transform a user’s entire computer into a programmable, agent-driven workspace. Unlike traditional cloud-based CRMs or AI tools, it runs entirely on the user’s machine and exposes a web interface locally, allowing full control over data, workflows, and automation without relying on external servers. The system combines database management, browser automation, and AI reasoning into a unified interface where users can interact with their data and tools using natural language commands. It can ingest data from sources such as Google Drive, Notion, Gmail, and CRM platforms, consolidating everything into a centralized workspace for analysis and action. One of its most distinctive capabilities is its ability to use the user’s existing browser session, enabling it to log into services, scrape data, and perform actions like outreach or research as if it were the user. -
15
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 -
16
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
-
17
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 -
18
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. -
19
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. -
20
PHP Address Book
Simple, web-based address & phone book
Simple, web-based address & phone book, contact manager, organizer. Groups, addresses, e-Mails, phone numbers & birthdays. vCards, LDIF, Excel, iPhone, Gmail & Google-Maps supported. PHP / MySQL based. -
21
Monica
Personal CRM. Remember everything about your friends, family, etc.
Monica helps you organize the social interactions with your loved ones. Can you remember the names of the children of all your friends? Can you remember the wedding anniversary of your brother? Can you tell the last time you called your grand mother and what you talked about? Monica lets you quickly and easily log all those information so you can be a better friend, family member or spouse. The more information you put in Monica, the easier it will be to remember everything. Monica provides an easy-to-use interface to store everything you know about your loved ones. Monica is for people who have jobs, a family, and are busy trying to find a good work/life balance. So busy, that they don’t have time anymore to remember to call a friend, say happy birthday to a nephew, or remember to invite someone special for dinner next week. The older we get, the more life gets in the way. It’s sad, but it’s the reality. -
22
HotelDruid
Hotel property management system
HotelDruid is a property management system (PMS) designed to make hotel and hostel rooms, bed and breakfast apartments, or any other kind of daily rental easy to manage from a web browser. -
23
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. -
24
-
25
]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.
