Twenty
Open SourceModern Salesforce alternative; GraphQL + REST APIs; GPL licensed
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LanguageTypeScript NestJS PostgreSQL React
LicenseAGPL-3.0-only
Open Source Alternative To
SalesforceHubSpotPipedriveAttio
Category: CRM / Pipeline Management
OSS Maturity:Strong
Build note: Twenty is near feature-parity with Salesforce for SMBs. Combine with Cal.com for scheduling and Documenso for contracts.
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