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High-throughput, fault-tolerant event log used for streaming, integration, and analytics.
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Frequently asked questions
What is Apache Kafka?▾
High-throughput, fault-tolerant event log used for streaming, integration, and analytics. It falls under the queues & message bus category and uses a open-source pricing model. The project is actively maintained with 33.0k GitHub stars.
Is Apache Kafka free?▾
Yes, Apache Kafka offers a free plan that you can use without a credit card. The pricing model is open-source.
How much does Apache Kafka cost?▾
Apache Kafka is free to start. It uses a open-source pricing model. A free plan is available for small projects or evaluation. Check https://kafka.apache.org for the latest pricing details and plan comparison.
What category is Apache Kafka in?▾
Apache Kafka is a queues & message bus tool. Job queues, event brokers, pub/sub infrastructure You can compare Apache Kafka with 2 alternatives in the same category on Soft.xyz.
Is Apache Kafka open source?▾
Yes, Apache Kafka is open source and freely available on GitHub. It has 33.0k stars and 15.3k forks, with the last commit on 2026-06-28. You can inspect the source code, contribute, or self-host it.
What are alternatives to Apache Kafka?▾
Popular alternatives to Apache Kafka include NATS, RabbitMQ. Each offers different pricing, features, and community support. You can compare them side-by-side on Soft.xyz using real metrics like GitHub stars, npm downloads, and actual pricing data.
How popular is Apache Kafka?▾
Apache Kafka has 33.0k stars on GitHub and 2.6M weekly npm downloads. This places it among the most popular tools in its category. The project was last updated on 2026-06-28.