Best Open Source CRM & Sales Software
Browse 14 production-ready, self-hostable open-source tools in CRM & Sales. Eliminate per-seat SaaS costs, retain complete data ownership, and claim $100K+ in startup cloud hosting credits.
Top Open-Source CRM & Sales Software Compared
Direct overview of top-ranked solutions by community stars and license
| Tool Name | GitHub Stars | License | Replaces Proprietary | Details |
|---|---|---|---|---|
| Twenty | ★ 60,000 | AGPL-3.0 | Salesforce, HubSpot | View Stack → |
| Ever Gauzy | ★ 55,465 | AGPL-3.0 | Salesforce, Asana | View Stack → |
| Open Mercato | ★ 55,465 | MIT | SAP, Retool | View Stack → |
| Odoo | ★ 40,828 | Open Source | Salesforce, HubSpot | View Stack → |
| Krayin | ★ 24,000 | MIT | Salesforce, HubSpot | View Stack → |
All 14 CRM & Sales Open Source Tools
Ranked by GitHub community stars & active adoption
Twenty
AGPL-3.0Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Ever Gauzy
AGPL-3.0All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations
Open Mercato
MITA modular CRM/ERP framework built on Next.js and TypeScript that encodes hundreds of architectural decisions so dev teams can ship production features in…
Odoo
Open SourceIntegrated suite of business apps covering accounting, CRM, inventory, eCommerce, HR, and project management, available free as Community or paid Enterprise…
Krayin
MITOpen source customer relationship management platform with sales tracking, marketing automation, and customizable workflows for businesses of all sizes.
CRM
MITOpen source CRM with AI agents that read your inbox, enrich contacts and companies, schedule follow-ups, and build new agents from plain-language descriptions.
Macro CRM
AGPL-3.0Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Erxes
AGPL-3.0All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
Frappe CRM
AGPL-3.0A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional…
EspoCRM
AGPL-3.0Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.
Relaticle
AGPL-3.0Open-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.
Atomic CRM
MITBuild a customizable CRM that matches your company's vision, designed for developers and loved by end users.
Warpdrive
MITPipeline management, deal workspace, contacts, and two-way Gmail for BD teams. Runs on your own infrastructure, MIT licensed, no per-seat fees.
Malak
AGPL-3.0Open source platform for managing investor updates, KPIs, fundraising pipeline and data rooms. Keep stakeholders informed and organized.
Frequently Asked Questions: Open Source CRM & Sales
What are the best open source CRM & Sales tools in 2026?
The highest-ranked open-source software in CRM & Sales is Twenty with over 60,000 GitHub stars. Other leading tools include Ever Gauzy, Open Mercato, Odoo, Krayin. All are vetted for production self-hosting.
Can I self-host CRM & Sales open source tools on my own cloud?
Yes. Tools listed in this category support self-hosting via Docker, Docker Compose, Kubernetes, or Helm on AWS, Google Cloud, DigitalOcean, Hetzner, or bare metal with zero per-seat licensing fees.
How can early-stage startups get free cloud credits to host CRM & Sales tools?
Founders can claim up to $100,000 in AWS Activate, $350,000 in Google Cloud for Startups, and $1,000 in DigitalOcean credits via Startupbricks Perks (startupbricks.in/perks) to deploy self-hosted stacks at zero infrastructure cost.
What proprietary SaaS does open source CRM & Sales software replace?
Open-source tools in this category replace proprietary commercial platforms including Salesforce, HubSpot, Attio, Pipedrive, Clay, Zoho CRM, Close, Suite CRM, Copper, Insightly. Switching gives your team 100% data custody, security control, and zero recurring seat costs.
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