Twenty
Twenty · Open-source CRM that technical teams extend with code
Best for: Technical teams that want a customisable CRM they can self-host and extend in code.
Contact, pipeline and account management.
13 tools ranked · updated 2026-08
Ranked 1
Twenty · Open-source CRM that technical teams extend with code
Best for: Technical teams that want a customisable CRM they can self-host and extend in code.
Ranked 2
Ever Gauzy · Open-source ERP, CRM, HRM, ATS and project management platform
Best for: Freelancers, agencies and in-house teams wanting self-hosted ERP, CRM, HRM and project management.
Ranked 3
Relaticle · Open-source CRM with built-in AI chat and an MCP server for external agents
Best for: Teams wanting a self-hosted, open-source CRM that external AI agents can drive over MCP
Ranked 4
Erxes · Open-source experience operating system for frontline, sales and operations
Best for: Operators consolidating support, sales and operations onto one self-hostable open-source platform
Ranked 5
EspoCRM · Open source CRM with in-UI customisation and BPMN automation
Best for: Small to mid-sized teams wanting a customisable CRM they can self-host or run in EU/US cloud
Ranked 6
Warpdrive · Open-source, self-hosted Pipedrive alternative for BD teams
Best for: Business-development teams that want to self-host a Pipedrive-style CRM and keep their own data
Ranked 7
Open Mercato · Open-source CRM/ERP foundation framework for developers and coding agents
Best for: Developer teams and software houses building custom CRM or ERP systems they own outright.
Ranked 8
GovPredict · AI-assisted public affairs platform for legislative tracking and advocacy
Best for: US public affairs and government relations teams tracking legislation and running advocacy campaigns
Ranked 9
Pearl · Community operations platform for applications, matchmaking and events
Best for: Founders of private professional communities on Slack, Discord or WhatsApp who want ops handled.
Ranked 10
Atomic CRM · Open-source CRM toolkit customised in code
Best for: Development teams who want a self-hosted CRM they can customise in React and TypeScript code.
Ranked 11
Krayin · Open source self-hosted CRM built on Laravel
Best for: Teams that want a self-hosted, customisable CRM they can run on their own Laravel/PHP stack.
Ranked 12
Maroo · CRM, contracts, invoicing and payments for wedding and event businesses
Best for: US wedding and event businesses wanting CRM, invoicing and contractor payments in one tool
Ranked 13
Pulppo · Estate agency network and property portal in Mexico
Best for: Estate agencies and advisers in Mexico seeking a listing network and partner support
Every score is measured, not opinion: we read each product’s own site, documentation, pricing and changelog, and combine what is there into weighted dimensions covering integration, documentation, transparency and reliability. Scores refresh as products change — see how the rankings work.