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Best Customer Relationship Management (CRM) Tools

Explore leading tools in the Customer Relationship Management (CRM) category, including open-source options and SaaS products. Compare features, use cases, and find the best fit for your workflow.

10+ open-source projects · 10+ SaaS products

Explore open-source projectsCompare SaaS products

Top open-source Customer Relationship Management (CRM)

These projects are active, self-hostable choices for knowledge management teams evaluating alternatives to SaaS tools.

View all 10+ open-source options
Most starred project
Odoo
47,589★

Modular web‑based apps that build a complete ERP

Recently updated
Twenty
3 days ago

Twenty delivers a flexible, self-hosted CRM with drag-and-drop views, custom data models, role-based permissions, and workflow automation, letting teams replace costly locked-in solutions.

Dominant language
PHP • 3 projects

Expect a strong PHP presence among maintained projects.

Popular SaaS Platforms to Replace

Understand the commercial incumbents teams migrate from and how many open-source alternatives exist for each product.

View all 10+ SaaS options
Attio logo

Attio

Flexible, data-driven CRM platform designed for startups and relationship-focused workflows

Customer Relationship Management (CRM)
Alternatives tracked
11 alternatives
BIGContacts logo

BIGContacts

Simple CRM for small businesses with contact, tasks, and pipeline tracking.

Customer Relationship Management (CRM)
Alternatives tracked
Not yet mapped
Close logo

Close

Inside sales CRM with calling, email, and SMS built in

Customer Relationship Management (CRM)
Alternatives tracked
11 alternatives
Copper logo

Copper

CRM for Google Workspace users to manage leads and pipelines

Customer Relationship Management (CRM)
Alternatives tracked
11 alternatives
HubSpot CRM logo

HubSpot CRM

Modern CRM platform with marketing automation and sales tools

Customer Relationship Management (CRM)
Alternatives tracked
11 alternatives
Insightly logo

Insightly

Modern CRM with marketing automation and project management for growing teams

Customer Relationship Management (CRM)
Alternatives tracked
11 alternatives
Most compared product
Attio
10+ open-source alternatives

Attio is a customizable, cloud-based Customer Relationship Management (CRM) platform built to adapt to various business workflows. It focuses on streamlined contact management and collaborative pipeline tracking, offering modern UI and AI-powered features to help teams manage leads, relationships, and sales processes more efficiently.

Leading hosted platforms
Attio, BIGContacts, Close

Frequently replaced when teams want private deployments and lower TCO.

Explore related categories

Discover adjacent niches within Customer Relationship Management (CRM).