Apache NiFi

Fivetran

fivetran.com

Popular

Managed ELT with 700+ connectors; merged with dbt Labs in 2026 to form an end-to-end data platform.

Airbyte

airbytehq/airbyte

Popular

Open-source ELT platform with hundreds of connectors and a low-code connector builder.

dlt

dlt-hub/dlt

Trending

Python library for declarative, schema-evolving loading from any API or database; popular with AI-assisted pipelines.

Debezium

debezium/debezium

Popular

Open-source change data capture platform streaming row-level database changes into Kafka and beyond.

Meltano

meltano/meltano

Open-source, code-first ELT built on the Singer connector ecosystem.

Estuary Flow

estuary/flow

Rising

Real-time CDC and ELT platform that unifies batch and streaming pipelines with millisecond latency.

Apache SeaTunnel

apache/seatunnel

High-performance distributed data integration tool with 100+ connectors for batch and CDC sync.

flink-cdc

apache/flink-cdc

Flink CDC is a streaming data integration tool