Apache Kafka can be used to solve many use cases, some of them are:-

Apache Kafka can be used as a publish-subscribe messaging system which helps users to read and write data more easily.

Message broker

Apache Kafka can be used for website tracking since it can handle a huge volume of data.

Activity tracking

Kafka is frequently used for the operational monitoring of data

Metrics

Apache Kafka can be used as a log aggregator, which collects the data and put it into a central place

Log Aggregation

Apache Kafka is widely used in real-time stream processing pipelines to process, aggregate, and enrich the data.

Stream Processing

Kafka can be used to track events from an application log whose state changes over time.

Event sourcing

Kafka can be used as a commit log for a distributed system using the log compaction feature

Commit log