Open Source CRM Systems

Integrates enterprise resource planning, CRM, and more, eliminating the need for multiple software with open-source solutions developed in Python.

ERPNext is a free and open-source integrated Enterprise Resource Planning (ERP) software developed by Frappé Technologies Pvt. Ltd. and is built on MariaDB database system using a Python based server-side framework.

Dolibarr ERP & CRM is a modern and easy to use open-source web software package to manage your business (customers, invoices, orders, products, stocks, agenda, e-mailings, shipments...).

Twenty CRM is a contemporary Customer Relationship Management tool that combines the flexibility of open-source software with advanced features and a streamlined design. This CRM solution encourages its users to participate as co-creators, fostering an open-source collaboration...

Monica is a tool to manage your interactions with your loved ones, friends and family.

EspoCRM is an Open Source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type. People, companies, projects or opportunities. Written in PHP and JavaScript.

Mautic is marketing automation software (email, social, & more). Install on your own website or create a free hosted account. The simple 3-step setup process takes less than 5 minutes and you'll be ready to reclaim control of your marketing.

FluentCRM is a Self Hosted Email Marketing Automation Plugin for WordPress. Manage your leads and customers, email campaigns, automated email sequencing, learner and affiliate management, and monitor user activities and many more in one place; without ever having to leave your...

Krayin is a Free & Opensource Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management. It automates your organization’s Sales and Marketing Operations, as a result, exponential growth in sales.

FacturaScripts is an open source ERP software for the cloud. Built on PHP, symfony components and bootstrap 4. And is distributed under the LGPL 3 license.

Open source CRM based on Django for startups and enterprises. It's completely customizable and cloud hosting ready.

A Constituent relationship management for the Civic Sector.

Crust CRM is a 100% free and open-source CRM. It's fully featured and includes rich dashboards, automation rules (workflows), collaborative team messaging and much more. You can customise your CRM with the included low-code development platform.

Stop developing your admin panel and focus on growing the actual product. The fastest and easiest way to bootstrap internal tools for your business. An open-source, no-code admin panel to manage your data, perform custom actions, build reports and dashboards.

Vtiger CRM is award-winning software used by small and medium sized businesses to grow sales, improve marketing ROI, and deliver great customer service.

SuiteCRM provides an enterprise-grade Customer Relationship Management (CRM) application to a global community of users and software developers. It is a robust and credible alternative to Salesforce, Microsoft and the major CRM vendors.

Open-source ERP and business management platform based on ERPNext, specifically adapted for European businesses. Features accounting, CRM, e-commerce, project management, and compliance with French/EU regulations.

ADempiere is a commons-based peer-production of Open Source ERP Applications. This project has a bazaar of Citizens which votes in a Project Management Committee every two years.

iDempiere Business Suite ERP/CRM/SCM done the community way. An open source tool for Enterprise Resource Planning, Customer Relationship Management and Supply Chain Management able to handle multiple organizations.

Open Source ERP and CRM with HTML5 UI. Use it on the cloud or download code! Powerful DMS and POS module available on demand to boost your business.

All-in-one CRM software for small and mid-sized businesses to manage all sales, marketing, project management, order management and more.

Fat Free CRM lets small businesses organize and maintain information on all of their customer relations. It provides management of corporate information such as customer contacts, customer accounts, sales leads, and sales opportunities.

EPESI is a web application for managing business information: store, organize, process, link and share records between people within a single company or organization.

Open Source ERP and framework, Cloud Ready, Integrated BPM: A fully configurable solution Easily create or modify your process-oriented business apps in a few clicks, without any coding. Designed to be fully responsive.

An absolutely free customer relationship managment (CRM) application developed by Codeiron Ltd.