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Open Source ETL & Data Integration Tools

A curated collection of the best open source tools to extract, transform, and load data between systems..

Kestra

Declarative workflow orchestration for data, AI, and infra

  • Stars

    30,221

  • Last commit

    7 hours ago

  • License

    Apache-2.0
YAML-based orchestration platform with 1400+ plugins for running data pipelines, AI workflows, and infrastructure automation across teams at scale.

Open Source Alternative to:

AWS Step Functions

Airbyte

Open-source data integration for modern teams

  • Stars

    22,374

  • Last commit

    6 hours ago

  • License

    Elastic-2.0
Seamlessly sync data from any source to any destination with a flexible, extensible platform that grows with your data needs.

Open Source Alternative to:

Supermetrics

CocoIndex

AI
Ultra-fast data transformation for AI with lineage

  • Stars

    11,894

  • Last commit

    1 day ago

  • License

    Apache-2.0
Open-source ETL framework built in Rust for AI workloads. Features incremental processing, data lineage, and observability tools for semantic search and RAG applications.

Open Source Alternative to:

Pipedream

Logstash

Centralize, transform, and stash your data

  • Stars

    14,979

  • Last commit

    1 day ago

  • License

    Unknown
Logstash is a free and open server-side data processing pipeline that ingests data from multiple sources, transforms it, and sends it to your desired destination.

Open Source Alternative to:

DataDog

Mage

AI
Magical data pipeline tool for seamless transformations

  • Stars

    8,847

  • Last commit

    14 hours ago

  • License

    Apache-2.0
Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Open Source Alternative to:

AWS Step Functions

CloudQuery

Sync and transform data from any source to any destination

  • Stars

    6,558

  • Last commit

    9 hours ago

  • License

    MPL-2.0
CloudQuery is an open-source ELT platform that enables easy data integration from hundreds of cloud and security tools to any destination.

Open Source Alternative to:

Snowflake

Jitsu

Open-source data integration for modern stacks

  • Stars

    5,135

  • Last commit

    13 hours ago

  • License

    MIT
Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.

Open Source Alternative to:

Supermetrics

Impler

Seamless data import for your applications

  • Stars

    295

  • Last commit

    2 months ago

  • License

    MIT
Open-source solution for effortless data importing, mapping, and validation in web applications

Orbital

Connect APIs, databases, and streams without glue code

  • Stars

    363

  • Last commit

    5 months ago

  • License

    Unknown
Automated data integration platform that connects APIs, databases, and event streams using semantic schemas. Deploy secure integrations in minutes with Git-based workflows.

Open Source Alternative to:

Kong
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