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Instead of Apache Storm

Apache Storm alternatives

Apache Storm handles unbounded real-time streams through spouts, bolts, and topologies that can combine analytics, online machine learning, continuous computation, distributed RPC, and ETL. It supports stateful processing, local development, remote cluster submission, and integrations with Kafka, HDFS, JDBC databases, JMS, and Redis. Storm is free under the Apache License 2.0, runs on Linux, macOS, and Windows, and its self-hosted design gives teams control over deployment. The project also describes scalable, fault-tolerant processing with data-processing guarantees.

  1. 1

    Apache Beam

    Free plan Open source APILinuxMac+3

    Unified batch and streaming pipelines across multiple runners — Apache Beam unifies batch and streaming pipelines and runs them on runners such as Dataflow, Flink, Spark, or Direct Runner.

    9.2 Open source Visit site
  2. 2

    Apache Druid

    Free plan APILinuxMac+2

    Real-time analytics queries on very large datasets — Apache Druid is an analytics database focused on sub-second OLAP queries, while Storm is a stream-computation system.

    7.6 Open source Visit site
  3. 3

    Feldera

    Free plan APILinuxMac+3

    SQL view maintenance over changing data — Feldera incrementally maintains SQL views as inputs change, rather than using Storm’s spout-and-bolt topology model.

    7.3 Free plan Visit site
  4. 4

    Timeplus

    Free plan APILinuxMac+3

    Streaming SQL dashboards, alerts, and data routing — Timeplus combines streaming and historical data in a vectorized SQL engine with dashboards, alerts, lineage, and many connections.

    7.0 From $199/mo · 14-day trial Visit site
  5. 5

    Apache Spark

    Free plan APILinuxMac+2

    Large-scale batch, streaming, SQL, and machine learning — Apache Spark combines batch, streaming, distributed SQL, and MLlib across Python, SQL, Scala, Java, and R.

    7.4 Free plan Visit site
  6. 6

    Confluent Cloud

    Free plan APILinuxWeb

    Managed Kafka streaming across clouds and regions — Confluent Cloud is a fully managed, serverless Apache Kafka platform with automatic scaling, cluster linking, and managed connectors.

    7.2 Free plan · paid from $385/mo · 30-day trial Visit site
  7. 7

    kdb+

    by kdb+
    Free plan APILinuxMac+2

    Time-series analytics for time-critical workloads — kdb+ is a q-powered time-series database and analytics engine with in-memory ingestion and sub-millisecond performance.

    7.2 Pricing on request Visit site
  8. 8

    Apache Flink

    Free plan APILinuxSelf-hosted
    7.4 Free plan Visit site
  9. 9

    Apache Pinot

    by Apache Pinot
    Free plan APISelf-hostedWeb
    7.3 Open source Visit site
  10. 10

    Apache Samza

    Free plan APILinuxSelf-hosted
    7.3 Free plan Visit site
  11. 11

    Apache Kafka

    Free plan APISelf-hosted
    7.2 Open source Visit site
  12. 12

    Materialize

    Free plan APILinuxSelf-hosted+1
    7.1 Free plan · paid from $1.50 · 7-day trial Visit site
  13. 13

    RisingWave

    Free plan APILinuxMac+2
    7.1 From $0.23 · 7-day trial Visit site
  14. 14

    Apache Heron

    Free plan LinuxSelf-hosted
    6.9 Open source Visit site
  15. 15

    Pathway Live Data Framework

    Free plan APISelf-hosted
    6.8 Free plan Visit site
  16. 16

    Ververica Platform

    Free plan APISelf-hostedWeb
    6.8 Pricing on request Visit site
  17. 17

    Tinybird Cloud

    Free plan APIWeb
    6.6 Free plan · paid from $25/mo Visit site
  18. 18

    Amazon Managed Service for Apache Flink

    Paid APIWeb
    5.8 From $0.11 Visit site
  19. 19

    ksqlDB

    Free plan Web
    5.6 Free plan Visit site
  20. 20

    Alibaba Cloud Realtime Compute for Apache Flink

    Paid Web
    5.1 Visit site
  21. 21

    Azure Stream Analytics

    Paid Web
    4.5 Visit site
  22. 22

    Tencent Cloud Oceanus

    Paid Web
    4.4 From 2,352 CNY/mo Visit site
  23. 23

    Google Cloud Dataflow

    Paid Web
    4.3 Visit site
  24. 24

    TIBCO Streaming

    Paid LinuxMacWeb+1
    4.3 Pricing on request Visit site

Alternatives become relevant when you need batch and streaming in one model, SQL-centered processing, an analytics database, or managed Kafka infrastructure. Storm’s self-hosted deployment and five source connectors may not match every operating plan, while its free pricing differs from paid or freemium services. Compare execution engines, query and programming models, connector coverage, deployment locations, and operational responsibilities. Beam and Spark combine batch with streaming; Druid and kdb+ emphasize real-time analytics; Feldera and Timeplus center on SQL workflows; and Confluent Cloud provides a managed Kafka platform.

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