Estuary describes its platform as built for enterprises that need control over data cost, latency, and deployment.
Free plan Free trial From $0.50 usage-based WebWindowsMacLinuxAPISelf-hosted
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Best Stream Analytics Software 2026
Facts read 23 Sep 2026 – 15 Oct 2026
Use this list to compare stream analytics software on pricing, deployment, processing models, connectors, languages, exactly-once processing and autoscaling. It helps buyers match a tool to their technical and budget needs.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 Estuary | Estuary describes its platform as built for enterprises that need control over data cost, latency, and deployment. | 6.0 | $0.50 usage-based | Free plan | Web, Windows, Mac, Linux | 15 Oct 2026 |
| 02 Lenses | Lenses is aimed at engineers and teams building, governing or operating Kafka applications, including those working with AI agents. | 5.8 | $4 a year | Free plan | Web, Windows, Mac, Linux | 5 Oct 2026 |
| 03 Arroyo | Arroyo suits teams and developers building stateful data-stream pipelines with SQL, and those who need Rust user-defined functions. | 5.6 | $5 a month | Free plan | Web, Mac, Linux, API | 15 Oct 2026 |
| 04 Confluent Cloud | Confluent Cloud suits teams building real-time streaming, event-driven applications, analytics, or AI/ML workloads. | 5.6 | $385 a month | Free plan | Web, Linux, API | 29 Sep 2026 |
| 05 Esper | Esper may suit developers building Java or .NET applications that process event streams. | 5.4 | Free plan | Free plan | Windows, Mac, Linux, API | 15 Oct 2026 |
| 06 Materialize | Materialize suits teams building applications or AI agents that need continually updated SQL views from connected data sources. | 5.2 | $1.50 a year | Free plan | Web, Linux, API, Self-hosted | 29 Sep 2026 |
| 07 Timeplus | Timeplus describes itself as designed for data engineers and platform teams processing streaming and historical data with SQL. | 5.2 | $199 a month | Free plan | Web, Windows, Mac, Linux | 30 Sep 2026 |
| 08 RisingWave | RisingWave may suit teams building streaming data pipelines with SQL and PostgreSQL-compatible tools. | 5.1 | $0.23 usage-based | Free plan | Web, Mac, Linux, API | 1 Oct 2026 |
| 09 Apache Storm | Apache Storm is for developers and teams building self-hosted systems that process ongoing data streams. | 4.9 | Free plan | Free plan | Web, Windows, Mac, Linux | 1 Oct 2026 |
| 10 Apache Druid | Druid may suit teams building low-latency analytics for streaming or batch data, especially workloads involving high query concurrency or immediate visibility into… | 4.8 | Free plan | Free plan | Web, Mac, Linux, API | 2 Oct 2026 |
The list is ordered by newest releases first, using figures makers publish. Nothing is scored.
02
Lenses
Lenses is aimed at engineers and teams building, governing or operating Kafka applications, including those working with AI agents.
WebWindowsMac+3 Record5.8 Visit
03
Arroyo
Arroyo suits teams and developers building stateful data-stream pipelines with SQL, and those who need Rust user-defined functions.
WebMacLinux+2 Record5.6 Visit
04
Confluent Cloud
Confluent Cloud suits teams building real-time streaming, event-driven applications, analytics, or AI/ML workloads.
WebLinuxAPI Record5.6 Visit
05
Esper
Esper may suit developers building Java or .NET applications that process event streams.
WindowsMacLinux+2 Record5.4 Visit
6
Materialize
WebLinuxAPI+1 $1.50 a year Record5.2 Visit Materialize suits teams building applications or AI agents that need continually updated SQL views from connected data sources.
7
Timeplus
WebWindowsMac+3 $199 a month Record5.2 Visit Timeplus describes itself as designed for data engineers and platform teams processing streaming and historical data with SQL.
8
RisingWave
WebMacLinux+2 $0.23 usage-based Record5.1 Visit RisingWave may suit teams building streaming data pipelines with SQL and PostgreSQL-compatible tools.
9
Apache Storm
WebWindowsMac+3 Free plan Record4.9 Visit Apache Storm is for developers and teams building self-hosted systems that process ongoing data streams.
10
Apache Druid
WebMacLinux+2 Free plan Record4.8 Visit Druid may suit teams building low-latency analytics for streaming or batch data, especially workloads involving high query concurrency or immediate visibility into…
11
Apache Spark
WindowsMacLinux+2 Free plan Record4.8 Visit Spark suits teams and developers working with large-scale analytics, batch jobs, or real-time streams.
13
Decodable
WebAPISelf-hosted $0.10 a year Record4.7 Visit Decodable suits data engineers, application developers, and data scientists building real-time applications and services.
14
Siddhi
WindowsMacLinux+2 Free plan Record4.6 Visit Siddhi suits developers building event-driven applications, real-time analytics, data integration, notification, or rule-processing systems.
15
Pathway Live Data Framework
APISelf-hosted Free plan Record4.5 Visit Pathway suits developers building data pipelines for analytics or AI over stored and live data.
16
Tinybird Cloud
WebAPI $49 a month Record4.5 Visit It suits software teams building analytics and real-time production features on managed ClickHouse.
17
Ververica Platform
WebAPISelf-hosted Free plan Record4.5 Visit Ververica Platform is intended for enterprise production workloads, including critical applications that need stream processing and governance.
18
Apache Pinot
WebAPISelf-hosted Free plan Record4.4 Visit Pinot suits teams building real-time analytics or user-facing workloads that combine batch and streaming data.
20
Apache Flink
LinuxAPISelf-hosted Free plan Record4.3 Visit Flink suits teams building event-driven systems, stream or batch analytics, and data pipelines, especially those able to operate self-hosted cluster deployments.
21
Apache Samza
LinuxAPISelf-hosted Free plan Record4.2 Visit Samza suits developers building real-time data applications who can manage a self-hosted framework.
Before you choose
Compare free and paid access
Check the free plan and paid-from details before choosing a tool. A free plan can support evaluation without an initial subscription.
Pricing models on this list include free, paid and freemium options.
Match the deployment model
Assess whether each product is available through an API, as self-hosted software or on the web. Platform listings also include Linux, macOS and Windows.
Choose a deployment path that fits your infrastructure and operating system requirements.
Check processing behavior
Look at processing models alongside support for exactly-once guarantees. These fields describe how a tool handles streaming workloads and delivery guarantees.
Review autoscaling support when capacity may change over time.
Review connectors and languages
Source connectors determine the systems from which a tool can receive data. The languages a product supports shape how processing logic is built and maintained.
Match these two fields to the systems and languages your workflow uses.
Look for trials and source access
A free trial can provide a time-limited way to evaluate a paid service. Check the trial terms before starting.
Some entries provide open-source code. Review the licence and deployment requirements before adopting it.
Questions
Do stream analytics tools offer free plans?
Yes. Items on this list include free plans, alongside paid and freemium pricing models.
Are open-source stream analytics options available?
Yes. Open-source options on this list include Apache Druid and Arroyo.
Can I try a stream analytics service before paying?
Free trials are offered by items on this list. Confluent Cloud advertises a 30-day trial.
What platforms are supported by these tools?
The platform listings cover API, self-hosted, web, Linux, macOS and Windows.
Which features and pricing fields are compared?
The comparison includes free plan, paid from, processing model, deployment, source connectors, supported languages, exactly-once processing and autoscaling.
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