Apache Kafka vs PlanetScale

Apache Kafka is an open-source distributed event streaming platform used for building real-time data pipelines and streaming applications. Originally developed at LinkedIn, it provides high-throughput, fault-tolerant publish-subscribe messaging with persistent storage. Kafka supports stream processing through Kafka Streams and ksqlDB.

PlanetScale is MySQL-compatible serverless database platform built on Vitess with schema branching and zero-downtime migrations.. It is available under a paid model. This tool falls under the databases category.