Open Source ETL & Data Integration Tools using Java
A curated collection of the best open source tools to extract, transform, and load data between systems. using Java.
Declarative workflow orchestration for data, AI, and infra
Stars
Stars growing over the last 30 days30,083Last commit
6 hours agoLicense
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:
Open-source data integration for modern teams
Stars
22,291Last commit
3 hours agoLicense
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:
Centralize, transform, and stash your data
Stars
14,971Last commit
16 hours agoLicense
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:
Sync and transform data from any source to any destination
Stars
6,547Last commit
5 hours agoLicense
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:
Connect APIs, databases, and streams without glue code
Stars
361Last commit
4 months agoLicense
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:
Bright Data – Web data for AI agents and apps. Built-in unblocking, proxies, and ready-made APIs.
Openlane