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Best Event Streaming Platforms in 2026

Event streaming platforms carry data produced as events between the systems that create, process, and consume it. The entries are ordered by rank, with RisingWave, Aiven for Apache Kafka, and Apache Pulsar among those near the top. Compared on deployment model and delivery guarantee, they also show connectors, supported client languages, and maximum retention. Check whether stream processing and a schema registry are listed for the workflows you have in mind. Free-plan availability and paid-from pricing add cost context; deployment preferences and retention needs can help narrow what to compare.

  1. 1

    Aiven for Apache Kafka

    Free plan Open source APILinuxSelf-hosted+1

    Aiven for Apache Kafka combines managed operations with storage, monitoring, and integration features. Check the plan limits and cloud availability against your workload before choosing a tier.

    9.3 Free plan · paid from $35/mo · 30-day trial Visit site
  2. 2

    Apache RocketMQ

    Free plan Open source APILinuxMac+2

    Apache RocketMQ offers a broad set of messaging patterns and deployment options as self-hosted open-source middleware.

    9.1 Open source Visit site
  3. 3

    Apache Pulsar

    Free plan APILinuxMac+2

    Apache Pulsar combines messaging, streaming, connectors and serverless processing in a self-hosted platform.

    7.5 Free plan Visit site
  4. 4

    Apache Kafka

    Free plan APISelf-hosted

    Choose Apache Kafka if you need a free, open-source stream-processing system that supports stateful processing and event-time windows and can be self-hosted.

    7.3 Open source Visit site
  5. 5

    Confluent Cloud

    Free plan APILinuxWeb

    Confluent Cloud combines managed Kafka streaming with connectors, stream processing, and governance options.

    7.3 Free plan · paid from $385/mo · 30-day trial Visit site
  6. 6

    DataStax Astra Streaming

    Free plan APISelf-hostedWeb

    A free option and broad connector support make Astra Streaming relevant to teams building Pulsar-based streaming systems.

    7.2 Free plan Visit site
  7. 7

    Lightstreamer

    Free plan AndroidAPIiPhone+5

    Lightstreamer offers real-time delivery controls, a range of integration options, and both on-premises and cloud deployment.

    7.2 Free plan · pricing on request Visit site
  8. 8

    Redpanda

    Free plan APILinuxMac+3

    Choose Redpanda if your team needs replayable event streams through a Kafka-compatible API and wants managed or self-managed deployment choices.

    7.1 30-day trial Visit site
  9. 9

    RisingWave

    Free plan APILinuxMac+2

    RisingWave combines SQL access with incremental streaming views and an exactly-once processing guarantee.

    7.1 From $0.23 · 7-day trial Visit site
  10. 10

    Solace PubSub+ Event Broker

    Free plan APILinuxSelf-hosted+1

    PubSub+ Event Broker combines cross-environment routing with several messaging protocols and deployment forms.

    7.0 Free plan · 30-day trial Visit site
  11. 11

    Pravega

    Free plan APILinuxSelf-hosted

    Pravega provides free, self-hosted stream storage with retention, scaling, and transaction capabilities.

    6.7 Free plan Visit site
  12. 12

    AutoMQ

    Free trial APILinuxSelf-hosted+1

    Consider AutoMQ if you need Kafka-compatible streaming with multiple deployment options and object-storage support.

    6.4 From $300/mo · 30-day trial Visit site
  13. 13

    IBM Event Streams

    Free plan Web
    6.0 Free plan Visit site
  14. 14

    Amazon Managed Streaming for Apache Kafka

    Paid APILinuxWeb

    Choose Amazon MSK if you are building Kafka based streaming applications on AWS and want managed cluster operations with Provisioned or Serverless options.

  15. 15

    Amazon Kinesis Data Streams

    Paid APIWeb

    Kinesis Data Streams is designed for continuous ingestion and downstream processing, with consumer fan-out, extended retention, and AWS service integrations.

    5.7 From $0.03 Visit site
  16. 16

    StreamNative

    Free trial APISelf-hostedWeb

    StreamNative combines real-time data services with lakehouse writing, connectors, and agent context. Compare deployment choices and the Serverless throughput limit with your workload needs.

    5.7 From $73/mo Visit site
  17. 17

    Keen Product Analytics

    Paid AndroidAPIiPhone+1

    Keen offers event collection, inspection, querying, and embedded dashboards, with plan limits stated for Team and Business.

    5.6 From $149/mo Visit site
  18. 18

    Wisembly

    Paid AndroidiPhoneWeb

    Choose Wisembly if your event needs planning, attendee engagement, reporting, or in-person QR-code check-in in one platform.

    5.2 From €79/mo Visit site
  19. 19

    Hadron

    Paid Self-hosted

    Choose Hadron if you need self-hosted event storage with ordered, immutable Streams and multi-stage Pipelines in Kubernetes.

    5.0 Open source Visit site
  20. 20

    StreamHouse

    Paid APISelf-hostedWeb

    Choose StreamHouse if you want a self-hostable event streaming system with SQL pipelines that can continuously feed Postgres. Its schema management and monitoring are built into the same system.

    4.9 Open source Visit site
  21. 21

    Alibaba Cloud Message Queue for Apache Kafka

    Paid Web

    The service pairs stream processing and at-least-once delivery with several client-language options. Compare its billing structures carefully, since no plan prices are provided.

  22. 22

    Azure Event Hubs

    Paid Web

    Event Hubs offers several plan tiers and broad client-language support, with limits that vary by tier.

    4.8 30-day trial Visit site
  23. 23

    Google Cloud Managed Service for Apache Kafka

    Paid Web

    The service pairs managed Kafka capabilities with stream processing, schema registration and exactly-once delivery.

    4.5 From $0.09 Visit site
  24. 24

    Oracle Cloud Infrastructure Streaming

    Paid Web

    Oracle Cloud Infrastructure Streaming offers web-based cloud stream processing with several supported client languages and at-least-once delivery.

    4.3 30-day trial Visit site
  25. 25

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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