elt

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.

dbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications.

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.

🧙 Build, run, and manage data pipelines for integrating and transforming data.

Data pipelines for cloud config and security data. Build cloud asset inventory, CSPM, FinOps, and vulnerability management solutions. Extract from AWS, Azure, GCP, and 70+ cloud and SaaS sources.

Flink CDC is a streaming data integration tool

data load tool (dlt) is an open source Python library that makes data loading easy 🛠️

Privacy and Security focused Segment-alternative, in Golang and React

A system for agentic LLM-powered data processing and ETL

Maestro: Netflix’s Workflow Orchestrator

Scalable and efficient data transformation framework - backwards compatible with dbt.

Meltano: the declarative code-first data integration engine that powers your wildest data and ML-powered product ideas. Say goodbye to writing, maintaining, and scaling your own API integrations.

Open-source BI for engineers

OLake - Fastest Databases, Kafka & S3 Replication to Apache Iceberg with Table optimization (Called OLake Fusion). ⚡ Efficient, quick and scalable data ingestion for real-time analytics. Supported sources : Postgres, MongoDB, MySQL, Oracle, MSSql, DB2, Kafka, S3.

Open-source ETL/ELT you deploy on your own servers or cloud. Built on DuckDB: no-code/low-code visual pipelines or SQL, 385 components, dbt, CDC, data quality, reverse ETL, lineage, MCP for AI agents. No vendor cloud, no per-row billing.

🌊 Continuously synchronize the systems where your data lives, to the systems where you _want_ it to live, by managing your data flows with Estuary. 🌊

Sling is a CLI tool that extracts data from a source storage/database and loads it in a target storage/database.

Optimus is an easy-to-use, reliable, and performant workflow orchestrator for data transformation, data modeling, pipelines, and data quality management.

dbt + Metabase integration

A free to use dbt package for creating and loading Data Vault 2.0 compliant Data Warehouses (powered by dbt, an open source data engineering tool, registered trademark of dbt Labs)