Attio

Best Self Hosted Alternatives to Attio

A curated collection of the 3 best self hosted alternatives to Attio.

Attio is a cloud CRM for managing contacts, companies, deals and pipelines. It syncs email and calendars, supports custom objects, views and automations, and provides collaboration and reporting tools to track sales workflows and customer relationships.

Alternatives List

#1
Twenty

Twenty

Twenty is an open-source CRM alternative to Salesforce with customizable data models, views, permissions, and workflow automation for sales and customer management.

Twenty screenshot

Twenty is an open-source CRM designed as a modern alternative to Salesforce for managing customer relationships, sales pipelines, and internal workflows. It focuses on a fast UI, flexible data modeling, and automation so teams can adapt the CRM to their processes.

Key Features

  • Customizable objects and fields to fit your business data model
  • Multiple views for records, including filters, sorting, grouping, kanban, and table layouts
  • Role-based permissions to manage user access with custom roles
  • Workflow automation with triggers and actions
  • Built-in features for day-to-day CRM work such as tasks and rich notes
  • APIs and webhooks support for connecting external systems

Use Cases

  • Run a sales pipeline CRM for leads, accounts, contacts, and deals
  • Centralize customer data and collaboration for a growing team
  • Automate CRM processes and sync events across internal tools using webhooks

Limitations and Considerations

  • Extensibility is evolving; a mature plugin ecosystem may not be available yet

Twenty is well-suited for teams that want ownership of their CRM data and the ability to customize workflows deeply. It aims to combine a modern user experience with the flexibility needed for fast-changing business requirements.

38.9kstars
5kforks
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#2
Monica

Monica

Monica is an open-source personal CRM to manage contacts, track interactions, set reminders, and keep a private diary about your relationships.

Monica screenshot

Monica is an open-source personal relationship management (PRM) web application for documenting your life and staying on top of important details about friends, family, and other relationships. It works like a CRM, but designed for personal use and private record keeping.

Key Features

  • Contact management with notes, important details, and custom fields
  • Relationship mapping between contacts
  • Reminders, including automatic birthday reminders
  • Activity and interaction logging, plus task tracking
  • Address and communication channel management for each contact
  • Diary/journal to record daily events and how your day went
  • Document and photo uploads associated with contacts
  • Labels/favorites to organize and highlight key people
  • Multi-user and multi-vault support for separating data
  • Multi-language interface and configurable types (e.g., activities, genders)

Use Cases

  • Keep a personal “CRM” for family and friends to remember key dates and life events
  • Track interactions and follow-ups for networking and long-term relationships
  • Maintain a private life log combining journaling with contact history

Limitations and Considerations

  • Not a social network and does not provide social posting or feeds
  • No built-in AI assistant features or automatic suggestions

Monica is well-suited for individuals who want a structured, private system to organize relationship information and day-to-day memories. It focuses on simple, intentional tracking rather than social or automated behavior.

24.1kstars
2.4kforks
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#3
Relaticle

Relaticle

Next-generation open-source CRM for managing contacts, companies, tasks, and sales opportunities with a modern UI and customizable fields.

Relaticle screenshot

Relaticle is an open-source CRM platform for managing customer relationships, sales opportunities, and internal collaboration in a modern, customizable system. It is built for teams that want control over their data and the flexibility to adapt the CRM to their processes.

Key Features

  • People and company management with detailed profiles and relationship linking
  • Sales pipeline and opportunity tracking with configurable stages
  • Task management with assignment and activity tracking
  • Notes and organization linked to contacts, companies, and opportunities
  • No-code custom fields and customizable data model with validation
  • Multi-workspace / multi-team support with role-based permissions
  • CSV import and export for data migration and backup workflows
  • AI-powered summaries and insights based on stored interactions (where configured)

Use Cases

  • Small and mid-sized businesses replacing spreadsheets with a structured CRM
  • Agencies managing multiple client workspaces with separate permissions
  • Laravel teams needing a CRM foundation they can extend and customize

Limitations and Considerations

  • AI features depend on external model/provider configuration and availability
  • Designed around the Laravel/Filament ecosystem, which may limit extensibility for non-PHP stacks

Relaticle combines core CRM functionality with a modern Laravel-based architecture and strong customization capabilities. It suits teams looking for a practical CRM they can tailor, operate, and evolve alongside their business needs.

1kstars
92forks
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Why choose an open source alternative?

  • •Data ownership: Keep your data on your own servers
  • •No vendor lock-in: Freedom to switch or modify at any time
  • •Cost savings: Reduce or eliminate subscription fees
  • •Transparency: Audit the code and know exactly what's running