# Apache Kafka Streams
> Apache Kafka Streams is an open-source client library for building applications and microservices, where the input and output data are stored in Apache Kafka clusters. It combines the simplicity of writing and deploying standard Java and Scala applications on the client side with the benefits of Kafka's server-side cluster technology.
- URL: https://optimly.ai/brand/apache-kafka-streams
- Slug: apache-kafka-streams
- BAI Score: 92/100
- Archetype: Challenger
- Category: Data Infrastructure
- Last Analyzed: April 10, 2026
- Part of: Apache Software Foundation (https://optimly.ai/brand/apache-software-foundation)
## Competitors
- Amazon Kinesis Data Analytics (https://optimly.ai/brand/amazon-kinesis-data-analytics)
- Apache Flink (https://optimly.ai/brand/apache-flink)
- Apache Spark Streaming (https://optimly.ai/brand/apache-spark-streaming)
## AI-Suggested Alternatives
- Batch Processing Sparkhadoop (https://optimly.ai/brand/batch-processing-sparkhadoop)
## Also Referenced By
- Apache Spark (https://optimly.ai/brand/apache-spark)