Best Apache Flink Alternatives in 2026
The top Apache Flink alternatives are Amazon Managed Service for Apache Flink, Azure Stream Analytics and Google Cloud Dataflow: 15 stream processing software our editors would look at instead of Apache Flink, in our ranking order.
Apache Flink: A free, self-hosted engine for complex stateful stream-processing workloads. Where it falls short: self-hosted operation requires team-managed deployment and infrastructure.
Switching from Apache Flink? For most stream processing software buyers the best Apache Flink alternative is Amazon Managed Service for Apache Flink, built for aWS teams wanting managed Flink. On a budget, Confluent Cloud starts at $385/mo. Kafka Streams has a free plan. Siddhi offers the most source connectors (16).
Why People Look for an Apache Flink Alternative
- Self-hosted operation requires team-managed deployment and infrastructure
- Deployment options center on standalone, Kubernetes, and YARN
- DataStream programs are Java-based
- Source connectors: 7 — up to 16 with Siddhi
Quick Picks by What You Need
- Best overallAmazon Managed Service for Apache Flink9.3
AWS teams wanting managed Flink
Visit Amazon Managed Service for Apache Flink - Lowest priceConfluent Cloud8.8
Paid plans from $385/mo
Visit Confluent Cloud - Best free optionKafka Streams8.9
Has a free plan
Visit Kafka Streams - Most source connectorsSiddhi7.8
16
Visit Siddhi
All 15 Apache Flink Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forAWS teams wanting managed Flink
- Better than Apache Flink:
- Editor score 9.3 vs 9.2
A managed Flink service for AWS teams building stateful real-time data pipelines.
- SQL processing
- Event-time windows
- Stateful processing
9.3/10★★★★★Visit AWS -
Best forAzure users preferring managed SQL streaming
A strong Azure-native choice for SQL-based, stateful stream processing.
- SQL processing
- Event-time windows
- Stateful processing
9.1/10★★★★★Visit site -
Best forGoogle Cloud teams running managed pipelines
A broad managed service for Apache Beam pipelines, CDC, and cloud data integration.
9.0/10★★★★☆Visit Google Cloud -
Best forKafka-native Java and Scala applications
A free, Kafka-native stream-processing library for Java and Scala applications.
- Event-time windows
- Stateful processing
8.9/10★★★★☆Visit Kafka Streams -
Best forEnterprises needing managed Kafka and streaming
A broad managed Kafka service with connectors, governance, Flink, and enterprise controls.
8.8/10★★★★☆Try Confluent Cloud -
Best forPortable batch and streaming pipelines
A portable framework for teams building batch and streaming pipelines across multiple runners.
8.7/10★★★★☆Visit Apache Beam -
Best forMature teams combining batch and streaming
A mature, broad engine for teams combining batch pipelines with incremental streaming.
8.6/10★★★★☆Visit Apache Spark -
Best forVisual self-hosted dataflows
A visual, self-hosted dataflow system for routing, transforming, and delivering data.
8.5/10★★★★☆Visit Apache NiFi -
Best forTeams needing streaming plus distributed state
A strong fit for teams combining streaming, SQL, state, and distributed storage.
- SQL processing
- Event-time windows
- Stateful processing
8.3/10★★★★☆Visit Hazelcast -
Best forTeams processing Kafka streams directly with SQL
A Kafka-focused SQL engine for continuous queries, joins, windows, and aggregations.
- SQL processing
- Event-time windows
- Stateful processing
8.1/10★★★★☆Visit Confluent -
Best forTeams wanting SQL streams with many connectors
A SQL-first stream processor with materialized views, CDC, and 31 listed connectors.
8.0/10★★★★☆Visit RisingWave -
Best forJava teams using Kafka-centered stream processing
A free, Kafka-centered stream processor for Java and Scala teams building stateful pipelines.
- SQL processing
- Event-time windows
- Stateful processing
7.9/10★★★★☆Visit Apache Samza -
Best forDevelopers using topology-based stream processing
A self-hosted choice for developers building fault-tolerant stream-processing topologies.
- Stateful processing
7.8/10★★★★☆Visit Apache Storm -
Best forTeams extending existing Storm-compatible systems
Storm-compatible, self-hosted stream processing with fault tolerance, but the project is retired.
7.8/10★★★★☆Visit Apache Heron -
Best forTeams needing event patterns and many adapters
- Better than Apache Flink:
- Source connectors: 16 vs 7
A flexible choice for teams building event patterns across many data sources.
- SQL processing
- Event-time windows
- Stateful processing
7.8/10★★★★☆Visit Siddhi
Apache Flink Alternatives: Common Questions
What is the best alternative to Apache Flink?
Amazon Managed Service for Apache Flink: #1 in our Stream Processing Software ranking, with an editor score of 9.3 out of 10. A managed Flink service for AWS teams building stateful real-time data pipelines.
Is there a free alternative to Apache Flink?
Yes. Kafka Streams, Confluent Cloud, Apache Beam, Apache Spark and Apache NiFi have a free plan or a free tier (11 of the 15 alternatives on this page).
Why do people look for Apache Flink alternatives?
Self-hosted operation requires team-managed deployment and infrastructure; Deployment options center on standalone, Kubernetes, and YARN; DataStream programs are Java-based.
Which Apache Flink alternative has the most source connectors?
Siddhi, with 16.
How do I switch from Apache Flink?
Export your data from Apache Flink (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Apache Flink.
How to Switch from Apache Flink
- Export your data from Apache Flink (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Apache Flink.
Apache Flink vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment model | SQL processing | Stateful processing | Event-time windows | Score |
|---|---|---|---|---|---|---|---|---|
| 2 | Apache Flink | Yes | Free | Self-hosted | Yes | Yes | Yes | 9.2 |
| 1 | Amazon Managed Service for Apache Flink | No | $0.11/unit usage-based | Cloud | Yes | Yes | Yes | 9.3 |
| 2 | Azure Stream Analytics | No | Hybrid | Yes | Yes | Yes | 9.1 | |
| 3 | Google Cloud Dataflow | No | 9.0 | |||||
| 4 | Kafka Streams | Yes | Free | Self-hosted | No | Yes | Yes | 8.9 |
| 5 | Confluent Cloud | Yes | $385/mo | Cloud | 8.8 | |||
| 6 | Apache Beam | Free | 8.7 | |||||
| 7 | Apache Spark | Yes | Free | 8.6 | ||||
| 8 | Apache NiFi | Free | 8.5 | |||||
| 9 | Hazelcast Platform | Yes | Hybrid | Yes | Yes | Yes | 8.3 | |
| 10 | ksqlDB | Yes | Hybrid | Yes | Yes | Yes | 8.1 | |
| 11 | RisingWave | No | $0.23/unit usage-based | Hybrid | 8.0 | |||
| 12 | Apache Samza | Yes | Free | Self-hosted | Yes | Yes | Yes | 7.9 |
| 13 | Apache Storm | Yes | Free | Self-hosted | Yes | 7.8 | ||
| 14 | Apache Heron | Free | 7.8 | |||||
| 15 | Siddhi | Free | Self-hosted | Yes | Yes | Yes | 7.8 |
Head-to-Head
- Apache Flink vs Amazon Managed Service for Apache Flink
- Apache Flink vs Azure Stream Analytics
- Apache Flink vs Google Cloud Dataflow
- Apache Flink vs Kafka Streams
- Apache Flink vs Confluent Cloud
- Apache Flink vs Apache Spark
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update