Best Free & Open Source Alternatives to Salesforce

Krayin CRM is a fully open-source customer relationship management platform built on the Laravel framework. It provides a comprehensive suite of tools for managing leads, contacts, companies, and deals, making it suitable for both small businesses and larger enterprises.

Features include customizable pipelines, email integration, activity tracking, role-based access control, and multi-currency support. The platform is built with a modular architecture using Laravel and Vue.js, allowing developers to extend and customise functionality with ease.

Krayin can be self-hosted via Docker or a standard PHP server and supports full data sovereignty. It serves as a capable open-source alternative to commercial CRMs like HubSpot, Salesforce, and Zoho CRM, offering comparable pipeline management and contact tracking features without licensing costs.

Mautic is a powerful open-source marketing automation platform that gives businesses complete control over their marketing stack. It covers email campaigns, landing pages, contact segmentation, lead scoring, drip campaigns, social media integration, and detailed analytics — all in a single self-hosted package.

As a self-hosted alternative to HubSpot, Mailchimp, and Salesforce Marketing Cloud, Mautic enables teams to build sophisticated automation workflows without per-contact pricing or vendor lock-in. It supports multi-channel marketing including email, SMS, and push notifications, and integrates with popular CRM systems via plugins.

Built with PHP and deployable via Docker or traditional LAMP stacks, Mautic is battle-tested with a large community and a commercially backed foundation (Acquia). It is a strong choice for organisations handling sensitive contact data who need GDPR-compliant marketing automation under their own roof.

Twenty is a modern open-source CRM designed to give individuals and teams full control over their customer data. Built with a clean, contemporary UI, it offers contact management, company tracking, opportunity pipelines, and task management — all self-hostable on your own infrastructure.

Key features include a flexible data model you can extend with custom fields and objects, a powerful search and filtering system, email and calendar integrations, and a GraphQL API for building on top of the platform. The interface is inspired by modern productivity tools, making it approachable for non-technical users.

Twenty can be self-hosted via Docker Compose and is actively maintained by a large open-source community. Compared to Salesforce, it offers a far simpler setup, no per-seat pricing, and transparent data ownership — making it an ideal choice for startups and small businesses that want enterprise-grade CRM capabilities without vendor lock-in.

Dolibarr is a comprehensive open-source ERP and CRM platform that has been in active development since the early 2000s. It covers the full business lifecycle: contact and lead management, quotations, invoicing, order management, stock tracking, and project management — all in a single, modular web application.

The CRM component includes lead and opportunity tracking, contact history, email actions, and customer segmentation. Its modular architecture means you only activate the features you need, keeping the interface clean. It also supports REST APIs, a marketplace of community-contributed modules, and integrations with payment providers and shipping carriers.

Dolibarr is self-hostable on any LAMP/LEMP stack or via Docker and supports PostgreSQL and MySQL. It serves as a lightweight, all-in-one alternative to platforms like Salesforce, Zoho CRM, and HubSpot — particularly for SMEs and freelancers who want integrated ERP+CRM functionality without ongoing subscription costs.

EspoCRM is a free, open source Customer Relationship Management platform that gives businesses full control over their sales processes, contact management, and customer data. Built with PHP and JavaScript, it runs entirely on your own infrastructure, making it an ideal alternative to cloud-locked CRMs like Salesforce, HubSpot, and Zoho CRM.

Key features include contact, lead, account, and opportunity management, email integration with a built-in email client and marketing campaigns, kanban boards and activity streams for pipeline visibility, calendar, tasks, and meeting scheduling, and a customer portal for external stakeholder access. The platform is highly customizable with custom fields, layouts, and entity types, and exposes a REST API for third-party integrations.

EspoCRM supports self-hosting via Docker or traditional LAMP stacks, giving teams data sovereignty without vendor lock-in. Unlike Salesforce complex pricing tiers or HubSpots restrictive free plan, EspoCRM is fully functional at no cost. A cloud-hosted option is available for those who prefer a managed setup.

SuiteCRM is a battle-tested, fully open-source enterprise CRM built as a fork of SugarCRM Community Edition. It has been adopted by thousands of organizations worldwide and provides a comprehensive feature set including contact and account management, opportunity tracking, quoting, invoicing, project management, and workflow automation.

The platform includes an AOS (Advanced OpenSales) module for generating quotes and contracts, an AOR (Advanced OpenReports) module for custom reporting, and a workflow engine for automating repetitive tasks. It also features a customer self-service portal and supports multi-currency and multi-language deployments.

SuiteCRM is self-hosted via Docker or a traditional LAMP stack, giving organisations full control over their data. As a mature, feature-rich alternative to Salesforce, it is particularly well-suited for enterprises and public sector organisations that need a proven CRM without the per-seat licensing costs.

Relaticle is an open-source CRM platform built with Laravel and Filament, featuring native AI agent support through 30 MCP (Model Context Protocol) tools. It provides a modern, self-hosted alternative to proprietary CRMs with a clean UI and REST API for integrations.

Key features include contact and company management, sales pipeline tracking with opportunities, task management, team collaboration, and note-taking. The built-in AI agents can assist with data entry, lead scoring, and workflow automation directly within the CRM interface.

Designed for teams that want full control over their customer data, Relaticle can be self-hosted via Docker and offers a flexible architecture for custom integrations and extensions. Its progressive web app design ensures accessibility across devices while keeping all data on your own server.