6 open-source Customer Data Platform (CDP) vendors.

Open-source software for Customer Data Platform (CDP) that you can self-host, with auditable source code — regardless of the developer's headquarters.

• Apache UnomiSelf-hosted / open source

  Open-source customer data server from the Apache Software Foundation implementing the OASIS CDP specification; no single controlling company, self-hostable in any region.

  United States

• JitsuSelf-hosted / open source

  MIT-licensed open-source data integration and event-collection platform, typically self-hosted on customer infrastructure; backed by a real company (Jitsu Inc.), not a controlling-company-free project.

  United States

• MultiwovenSelf-hosted / open source

  Multiwoven is an open-source reverse-ETL/CDP tool under AGPLv3, now maintained by AI Squared, Inc. (Washington DC, US) following its 2024 acquisition.

  United States

• RudderStackNon-EU vendor

  US, open-source warehouse-native customer data platform that routes customer data directly into the customer's own data warehouse instead of storing it itself.

  United States

• SnowplowSelf-hosted / open source

  Open-source (Apache 2.0) behavioural data pipeline for collecting, validating, and enriching event data; supports EU data residency via self-hosting on AWS/GCP/Azure EU regions.

  United Kingdom

• ZinggNon-EU vendor

  Open-source, machine-learning-based platform for enterprise Identity Resolution, resolving duplicate customer profiles within a data lake. US company (San Francisco).

  United States