Open Source CRM Systems using Postgres
A curated collection of the best open source customer relationship management systems for tracking contacts, deals, and pipelines, with activity history and sales reporting. using Postgres.
An agentic CRM that keeps records current automatically
Stars
Stars growing over the last 30 days11,804Last commit
1 day agoLicense
MIT
Open source CRM with AI agents that read your inbox, enrich contacts and companies, schedule follow-ups, and build new agents from plain-language descriptions.
Open Source Alternative to:
A self-building CRM powered by your email
Stars
Stars growing quickly over the last 30 days6,083Last commit
8 hours agoLicense
AGPL-3.0
Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Open Source Alternative to:
Build a custom CRM without the proprietary lock-in
Stars
Stars growing over the last 30 days60,319Last commit
8 hours agoLicense
AGPL-3.0
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Open Source Alternative to:
Comprehensive open-source business management platform
Stars
Stars growing over the last 30 days8,677Last commit
1 day agoLicense
AGPL-3.0
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations
Open Source Alternative to:
Complete customer relationship management made simple
Stars
Stars growing over the last 30 days3,541Last commit
17 hours agoLicense
AGPL-3.0
Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.
Open Source Alternative to:
AI-native CRM/ERP foundation with 80% already built
Stars
Stars growing over the last 30 days1,896Last commit
8 hours agoLicense
MIT
A modular CRM/ERP framework built on Next.js and TypeScript that encodes hundreds of architectural decisions so dev teams can ship production features in days, not months.
Open Source Alternative to:
Open-source CRM toolkit for personalized solutions
Stars
Stars growing over the last 30 days1,421Last commit
11 hours agoLicense
MIT
Build a customizable CRM that matches your company's vision, designed for developers and loved by end users.
Open Source Alternative to:
Self-hosted CRM with built-in AI chat and agent tools
Stars
Stars growing over the last 30 days1,803Last commit
10 hours agoLicense
AGPL-3.0
Open-source CRM with a built-in AI assistant, 37 MCP tools for external agents, custom fields, role-based permissions, and a REST API. No per-seat pricing.
Open Source Alternative to:
Self-hosted CRM for business development teams
Stars
74Last commit
13 hours agoLicense
MIT
Pipeline management, deal workspace, contacts, and two-way Gmail for BD teams. Runs on your own infrastructure, MIT licensed, no per-seat fees.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
Openlane