Kafka
Apache Kafka is a popular open-sourced event-streaming platform.
It’s focused on allowing enterprises to use real-time data as the backbone of their operations. Kafka provides an event-based backbone for many Fortune 500 companies.

Estuary helps move data to
or from Kafka in minutes with millisecond latency.
Data can then be directed to Kafka using materializations that are also open-source, streaming to Kafka with millisecond latency.