17.7
Apache Beam is a free, open-source programming model for building data processing pipelines across batch and streaming workloads.
Free planOpen sourceWebAPILinux
Alternatives to Feldera
Feldera keeps SQL views aligned with changing source tables by updating only what each change affects, rather than recomputing the full dataset. It works alongside a lakehouse or warehouse, supports window functions and recursive queries, and connects to sources such as Kafka, PostgreSQL, S3, Delta Lake, and Iceberg. Its free edition includes full SQL support and all connectors, while Enterprise adds multi-node deployments and dedicated support on a customer-provided cloud…
27.2
Apache Druid is an open-source database for real-time analysis of streaming and batch data.
Free planWebAPILinux
37.1
Confluent Cloud is a managed data streaming platform built around a serverless Apache Kafka engine.
Free planWebAPILinux
- 4
Timeplus
Timeplus is a streaming SQL platform for real-time data pipelines in analytics, telemetry, and AI/ML.
Free planWebAPILinuxmacOS7.1From $199 a month - 5
Materialize
Materialize is a SQL-based live data layer for apps and AI agents.
Free planWebAPILinuxSelf-hosted7.0From $1.50 a year - 6
RisingWave
RisingWave is a distributed SQL streaming platform that ingests, transforms, and serves real-time data.
WebAPILinuxmacOS6.7$0.23 usage-based - 7
Tinybird Cloud
Tinybird Cloud is a managed real-time data platform for building analytics features and serving data through APIs.
Free planWebAPI6.7From $49 a month - 8
Apache Storm
Apache Storm is a free, open-source system for processing unbounded data streams in real time.
Free planWebAPILinuxmacOS6.6Free plan - 9
Apache Pinot
Apache Pinot is an open-source distributed OLAP datastore for real-time analytics and user-facing workloads.
Free planWebAPISelf-hosted6.4Free plan - 10
Apache Spark
Apache Spark is a free, open-source engine for large-scale data analytics.
Free planAPILinuxmacOSSelf-hosted6.4Free plan - 11
kdb+
kdb+ is a time-series database and analytics engine built around the q vector language.
Free planAPILinuxmacOSSelf-hosted6.4Free plan - 12
Apache Flink
Apache Flink is a framework and distributed processing engine for stateful computations over bounded and unbounded data streams.
Free planAPILinuxSelf-hosted6.1Free plan - 13
Pathway Live Data Framework
Pathway Live Data Framework is a Python framework for building analytics and AI data pipelines over stored data and live streams.
Free planAPISelf-hosted6.1Free plan - 14
Ververica Platform
Ververica Platform combines stream and batch processing in one runtime for enterprise production workloads.
Free planWebAPISelf-hosted6.1Free plan - 15
Apache Kafka
Free planAPISelf-hosted6.0Free plan - 16
Apache Samza
Apache Samza is a free, self-hosted framework for processing live data streams and building applications that maintain state.
Free planAPILinuxSelf-hosted6.0Free plan - 17
Amazon Managed Service for Apache Flink
Amazon Managed Service for Apache Flink runs Apache Flink applications in the cloud to transform and analyze streaming data in real time.
WebAPI5.5 - 18
Apache Heron
Apache Heron is a real-time engine for processing data streams across distributed systems, designed to tolerate faults.
LinuxSelf-hosted5.5 - 19
Tencent Cloud Oceanus
Tencent Cloud Oceanus is a cloud-deployed, web-accessed service for real-time big data processing.
Web5.4From CN¥5,376 a month - 20
Azure Stream Analytics
Azure Stream Analytics is a web service for processing streaming data with stateful processing, SQL processing and event-time windows.
Web5.1 - 21
TIBCO Streaming
WebLinuxmacOSWindows5.1 - 22
Alibaba Cloud Realtime Compute for Apache Flink
Alibaba Cloud Realtime Compute for Apache Flink is a cloud service for processing data streams with Apache Flink.
Web5.0 - 23
Google Cloud Dataflow
Google Cloud Dataflow is a cloud-deployed data processing service accessed through the web.
Web4.9 - 24
ksqlDB
Web4.7