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Apache Kafka is the industry standard open-source event streaming platform with 30K+ GitHub stars, used by 80% of Fortune 100 companies. Handles trillions of events per day with high throughput, low latency, and built-in fault tolerance. Features real-time stream processing via Kafka Streams, connectors for 100+ data sources, exactly-once semantics, and multi-datacenter replication. Foundation for event-driven architectures, real-time pipelines, and data integration at scale.
Apache Kafka handles trillions of events daily at LinkedIn, Netflix, Uber. 30K+ stars, 80% of Fortune 100.
Pub-sub with topic partitioning, replication for fault tolerance, exactly-once semantics. Kafka Streams for stream processing. Kafka Connect for 100+ data source connectors.
Self-hosted or managed via Confluent Cloud, AWS MSK, Azure Event Hubs. KRaft mode eliminates ZooKeeper dependency.
Free open-source / Managed services available
Self-hosted, Docker, Kubernetes, Cloud
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