Airbyte is a data integration platform that syncs data from APIs, databases, and files into warehouses and lakes, available self-hosted or as a managed cloud service.

Debezium is an open-source CDC platform that streams row-level changes from databases such as PostgreSQL, MySQL, and MongoDB, typically via Kafka Connect.

ClickHouse is an open-source columnar database designed for low-latency analytical queries over large volumes, available self-hosted or as ClickHouse Cloud.

Trino is an open-source distributed SQL engine that queries data where it lives — object storage, lakehouse table formats, and operational databases — through a single interface.

Apache Kafka is an open-source distributed log for high-throughput, durable event streaming, with a large ecosystem including Kafka Connect and Kafka Streams.

Redpanda is a Kafka API-compatible streaming platform written in C++, shipped as a single binary without ZooKeeper or a JVM, available self-hosted or as a managed cloud.

Apache Airflow is the widely adopted open-source orchestrator where pipelines are Python-defined DAGs, with a large provider ecosystem and multiple managed offerings.

DataHub is an open-source metadata platform providing search, discovery, and end-to-end lineage across warehouses, pipelines, and BI tools via push-based ingestion.

OpenMetadata is an open-source metadata platform combining catalog, lineage, data quality tests, and collaboration on a single schema-first foundation with many connectors.