Elt GitHub Repositories (2026) · Open Source Tools

Pluggable data replication with checkpointing, batching, and integrity events

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

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

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.

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

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.

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

Maestro: Netflix’s Workflow Orchestrator

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.

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.

ReplicaDB is open source tool for database replication, designed for efficiently transferring bulk data between relational and non-relational databases

Open Source Cloud Native Ingestion engine

Flink CDC is a streaming data integration tool

The data-validation toolkit for enhanced dbt (data build tool) PR review