Open-source Attio alternatives

4 open-source alternatives to Attio, curated: Atomic CRM, Ever Gauzy, Frappe CRM. Each is open-source; compare license and links below.

ToolWhat it isLicenseOpen source
Atomic CRMOSS alt to Attio; ~1192 stars; via openalternative.coMITyes
Ever GauzyOSS alt to Attio; ~4305 stars; via openalternative.coAGPL-3.0yes
Frappe CRMOSS alt to Attio; ~3206 stars; via openalternative.coAGPL-3.0yes
RelaticleOSS alt to Attio; ~1494 stars; via openalternative.coAGPL-3.0yes

Positioning is each tool's own description; open-source status is evidence-based. See each linked entry for details.