12 open-source Data Integration & ETL vendors.

Open-source software for Data Integration & ETL that you can self-host, with auditable source code — regardless of the developer's headquarters.

• Apache CamelSelf-hosted / open source

  Apache Software Foundation integration framework for routing and mediation between systems; actively maintained with 1,100+ contributors and 450+ companies involved.

  United States

• Apache KafkaSelf-hosted / open source

  Open-source event-streaming platform from the Apache Software Foundation (US); self-hostable.

  United States

• Apache NiFiNon-EU vendor

  Open-source dataflow platform for automating data movement between systems

  United States

• DagsterSelf-hosted / open source

  Dagster is an open-source, Apache-2.0 licensed data orchestration tool from Dagster Labs (US) for building and observing data pipelines.

  United States

• dlt (dltHub)Self-hosted / open source

  German (Berlin) company behind dlt, an open-source Python library for data loading/pipelines.

  Germany

• KNIMEEU sovereign

  Swiss open-source platform for data analysis, ETL and machine learning workflows

  Switzerland

• LogstashSelf-hosted / open source

  Elastic's open-source data processing pipeline for collecting, transforming and routing logs; actively maintained (an Apache 2.0-licensed edition is available).

  Netherlands

• MeltanoNon-EU vendor

  Open-source ELT platform for extracting and loading data with Singer taps

  United Kingdom

• PentahoNon-EU vendor

  Open-source business analytics and data integration platform with ETL capabilities

  United States

• RapidMinerNon-EU vendor

  German data science platform for data preparation, machine learning and model deployment

  United States

• RedpandaSelf-hosted / open source

  Redpanda is a Kafka-compatible streaming platform from Redpanda Data, Inc. (US), released under the Business Source License, converting to Apache 2.0 after four years.

  United States

• VectorSelf-hosted / open source

  Datadog's open-source observability data pipeline (written in Rust) for collecting, transforming and routing logs and metrics; actively maintained, with Datadog as the dominant commercial sponsor.

  United States