4 open-source Consent Management (CMP) vendors.

Open-source software for Consent Management (CMP) that you can self-host, with auditable source code — regardless of the developer's headquarters.

• CookieConsent (Orestbida)Self-hosted / open source

  Extremely fast, cross-browser open-source vanilla-JS cookie consent library (MIT licence) with zero external dependencies. Created by Orest Bida, a freelance developer in Italy.

  Italy

• GDPR Cookie ComplianceNon-EU vendor

  Open-source WordPress plugin (GPL) for storing consent locally in your own database, free of external SaaS dashboards. Used on 300,000+ websites. Developed by Moove Agency (United Kingdom).

  United Kingdom

• KlaroSelf-hosted / open source

  Open-source, privacy-friendly consent manager with GDPR compliance, maintained by Germany's KIProtect GmbH.

  Germany

• Tarteaucitron.jsSelf-hosted / open source

  Open-source cookie consent library, recommended for years by the French privacy regulator CNIL. Supports hundreds of scripts out of the box. Created by Amauri Champeaux, an independent developer in Béziers, France.

  France