Best Self-Hosted Copper Alternatives in 2026
Copper is a Google Workspace-native CRM that manages contacts, deals, and projects directly from Gmail and Google Calendar.
8 Self-Hosted Alternatives to Copper
Odoo
50KAll-in-one business suite covering CRM, ERP, accounting, inventory, eCommerce, HR, and 80+ apps. Open-source alternative to SAP, Salesforce, and QuickBooks.
Twenty
41KTwenty is a modern, open-source CRM that gives you full control over your customer data — a self-hosted alternative to Salesforce and HubSpot with a beautiful UI and extensible architecture.
ERPNext
32KThe world's best 100% open source ERP software. Supports manufacturing, distribution, retail, trading, services, education, and more.
Erxes
3.9KErxes handles all-in-one solution for marketing as a self-hosted solution.
EspoCRM
2.8KEspoCRM offers relationship management, sales automation, marketing automation as a self-hosted CRM software.
Frappe CRM
2.5KFrappe CRM handles flexible and customizable CRM platform for managing contacts as a self-hosted solution.
Relaticle
1.2KRelaticle lets you run transform customer relationships entirely on your own server.
Atomic CRM
865Self-hosted CRM software tool that builds a customizable CRM.
Why Look for Copper Alternatives?
Copper is a Google Workspace-native CRM that manages contacts, deals, and projects directly from Gmail and Google Calendar.
Self-hosted alternatives give you full data ownership, predictable costs, and zero vendor lock-in. You run the software on your own infrastructure and control everything.
8 Best Open-Source Alternatives to Copper
Odoo
Open source business apps for all needs. — 49,545 GitHub stars. Licensed under LGPL-3.0.
Twenty
Open source customer relationship manager — 40,496 GitHub stars. Licensed under AGPL-3.0.
ERPNext
World’s best free and open source ERP — 32,269 GitHub stars. Licensed under GPL-3.0.
Erxes
Open-source experience management with customizable plugins. — 3,912 GitHub stars. Licensed under Open Source.
Frappe CRM
A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions. — 2,438 GitHub stars. Licensed under AGPL-3.0.
EspoCRM
Manage all company relationships effortlessly. — 2,830 GitHub stars. Licensed under AGPL-3.0.
Atomic CRM
Full-featured customer relationship manager — 854 GitHub stars. Licensed under MIT.
Relaticle
Modern client relationship management — 1,205 GitHub stars. Licensed under AGPL-3.0.
Why Self-Host Instead of Copper?
- Data ownership. Your data stays on your server, not on Copper’s infrastructure.
- Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- No vendor lock-in. Export and migrate your data anytime. You control the database.
- GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Why teams switch from Copper
- → Data ownership. Your data stays on your server -- not on Copper's infrastructure.
- → Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- → No vendor lock-in. Export and migrate your data anytime. You control the database.
- → GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Head-to-Head Comparisons
Both ERPNext and Odoo are strong open-source options in the finance space. ERPNext has 32k GitHub stars and Odoo has 50k. Compare their features, deployment, and community to choose the right fit for your needs.
Both are crm tools. Erxes has 3 unique features, Twenty has 1.
Twenty wins for small teams who want a modern CRM without per-seat pricing. HubSpot remains better for teams needing marketing automation, deep reporting, and a mature ecosystem.
Odoo for teams that need a full ERP suite (CRM + accounting + inventory + HR). Twenty for teams that want a modern, focused CRM without the ERP complexity. Odoo is an enterprise platform, Twenty is a CRM tool.
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