WarpStream
Streaming platform
WarpStream is a Kafka-compatible BYOC platform whose stateless Agents write to object storage, keeping raw records in your VPC and buckets.
Streaming and CDC
Change data capture and event streams for data that cannot wait for the nightly batch.
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Quix
Stream processing
Quix Streams is a free Python library for stateful Kafka processing; Quix Cloud adds Git-synced deployment, monitoring, and BYOC hosting.
Bytewax
Stream processing
Free Apache-2.0 Python stream processing library with a Rust engine, stateful operators, event-time windows, and SQLite recovery.
NATS
Streaming platform
NATS is a free Apache 2.0 messaging server combining pub/sub, request-reply, persistent JetStream streams, Key/Value store, and Object Store.
Conduktor
Streaming platform
Self-hosted Kafka Console for topic operations, ownership, approvals, and Chargeback, plus a Gateway proxy with paid security and failover add-ons.
RabbitMQ
Streaming platform
RabbitMQ is a free, open-source message broker with exchange-based routing, replicated quorum queues, replayable streams and multiple messaging protocols.
PeerDB
CDC tool
Postgres-native CDC with parallel snapshots into ClickHouse: free open source (AGPL-3.0) or managed as ClickHouse Cloud's Postgres ClickPipe.
Decodable
Stream processing
Managed Apache Flink and Debezium CDC platform for real-time ETL and stream processing on AWS, now owned by Redis.
Ververica
Stream processing
Enterprise Apache Flink from Flink's creators: VERA engine, BYOC in your AWS or Azure account, or self-managed on Kubernetes.
Free Developer; production pricing by quote
Striim
CDC tool
Change data capture and streaming integration with visual pipeline design, SQL-like in-flight processing, and managed or self-managed deployment.
Usage-based Cloud; open-source core
RisingWave
Streaming database
A streaming SQL database that continuously maintains query results over changing data and serves them through a PostgreSQL-compatible interface.
From $73/month
StreamNative
Streaming platform
Managed Kafka and Pulsar streaming with hosted, BYOC and private-cloud deployment options, plus connectors and Iceberg/Delta table delivery.
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