BigQuery is Google Cloud's serverless, fully managed data warehouse with on-demand or capacity-based pricing, streaming ingestion, and built-in ML functions.
Column-oriented OLAP database for real-time analytics
Storage
ClickHouse is an open-source columnar database designed for low-latency analytical queries over large volumes, available self-hosted or as ClickHouse Cloud.
Apache Kafka is an open-source distributed log for high-throughput, durable event streaming, with a large ecosystem including Kafka Connect and Kafka Streams.
Apache Flink is an open-source framework for stateful computation over unbounded and bounded data streams, with event-time processing and exactly-once state consistency.
Kafka-compatible streaming platform in a single binary
Streaming
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.
