Streamiz

Provides a Kafka Streams-like API directly in .NET, eliminating the need for Java interop and leveraging .NET tools and libraries, as evidenced by the extensive NuGet package ecosystem.

Supports stateful operations with RocksDB and in-memory stores, along with tumbling and hopping windows, joins, and exactly-once semantics, mirroring core Kafka Streams features.

Includes built-in SerDes for Avro, Protobuf, and JSON with Schema Registry integration, facilitating schema evolution and data compatibility through separate NuGet packages.

Offers metrics integration with Prometheus and OpenTelemetry via dedicated packages, enabling easy monitoring and observability of stream processing applications.