Find Open-Source Alternatives
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Compare community-driven replacements for Attio in customer relationship management (crm) workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.
These projects match the most common migration paths for teams replacing Attio.
Why teams pick it
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.
Run on infrastructure you control
Recent commits in the last 6 months
MIT, Apache, and similar licenses
Counts reflect projects currently indexed as alternatives to Attio.
Why teams pick it
Flattened RBAC security model supporting complex organizational policies and privacy regulations
Responsive Open Source ERP with Modern Web Interface
Why teams choose it
Watch for
Primarily Java-based stack requires specific technical expertise
Migration highlight
Manufacturing Operations Management
Coordinate production planning, inventory, sales orders, shipments, and invoicing in a unified system with real-time visibility across operations.
A modern, customizable CRM built by the community
Open-source CRM platform for managing customer relationships effortlessly
Modern open-source ERP built with Laravel and FilamentPHP
Open-source low-code platform for CRM and business apps
Open-Source ERP System for Complete Business Management
Open Business Management Platform for Modern Collaborative Economies
AI-driven sales agents that replace costly CRM platforms
Enterprise‑grade CRM giving you full data control and customization.
Modern ERP and CRM for organizations of any size
Why teams choose it
Teams replacing Attio in customer relationship management (crm) workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.
Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from Attio.
Why teams choose it
Watch for
Self‑hosting requires infrastructure expertise
Migration highlight
Sales pipeline management
Track leads through customizable stages, automate follow-up emails, and generate real-time funnel reports.
Why teams choose it
Watch for
Requires PHP 8.2+ and database server setup knowledge
Migration highlight
Sales Pipeline Management
Track leads, opportunities, and deals through customizable stages with real-time visibility into sales performance and forecasting.
Why teams choose it
Watch for
Requires PHP 8.2+ and specific technical stack which may limit hosting options
Migration highlight
Growing SME Operations Management
Install core modules for accounting, inventory, and sales to manage end-to-end business operations from a single platform with role-based access control
Why teams choose it
Watch for
Requires DevOps knowledge for self-hosted deployment and configuration
Migration highlight
Custom CRM Implementation
Build tailored customer relationship management systems that match exact business processes while maintaining full data control and integration with existing tools.
Why teams choose it
Watch for
Complexity may require learning curve for full feature utilization
Migration highlight
Manufacturing Operations
Track production cycles, material consumption, capacity planning, and subcontracting workflows in a centralized system with real-time inventory visibility.
Why teams choose it
Watch for
SaaS version currently in alpha testing phase with cautionary usage recommendations
Migration highlight
Freelance Agency Time & Billing
Track contractor hours with activity monitoring, generate client invoices automatically, and manage project profitability from a unified dashboard.
Why teams choose it
Watch for
Early‑stage project with evolving features
Migration highlight
AI‑powered lead qualification
Automatically triage inbound leads, routing high‑potential prospects to sales reps for faster pipeline conversion.
Why teams choose it
Watch for
Self‑hosting requires PHP server management
Migration highlight
Global sales team managing cross‑border deals
Track leads, quotes, and opportunities in multiple currencies and languages, ensuring accurate reporting across regions.
Why teams choose it
Watch for
PHP codebase may feel dated compared to modern JavaScript-first frameworks
Migration highlight
Freelancer invoicing and client management
Track prospects, generate quotes with online signing, issue invoices, and manage payments in one system without monthly SaaS fees.
Watch for
Self‑hosting requires technical expertise for setup and maintenance
Migration highlight
Retail store with online sales
Integrates POS, inventory, and eCommerce to synchronize stock and sales across physical and digital channels.