Apache Flink

Open source

Open source stream processing framework for stateful computations over unbounded and bounded data sets.

by Apache Software FoundationOfficial site ↗Source code ↗

Pricing: free
Free tier: true
License: open-source
Open source: Yes

Editorial review

Apache Flink has not yet been editorially reviewed. User reviews and published field data below are unaffected — we say so rather than implying an editorial verdict.

Facts & attributes

Every value carries its evidence state. “—” means unknown — never a silent default (P-02).

Identity · Taxonomy

Documentation(HTTPS URL): https://nightlies.apache.org/flink/flink-docs-stable/Verified
Tags(open-source;cloud-native): stream processing, distributed computing, big data, SQL, real-time analyticsVerification pending

Platform · Deployment

Delivery model(SaaS;self-hosted;desktop;mobile;embedded;managed-cloud;appliance): self-hostedVerification pending

Pricing · Licensing

Free plan(true/false): trueVerification pending
License model(proprietary;open-source;source-available;dual-license): open-sourceVerification pending
Pricing model(free;subscription;usage;seat;asset;transaction;revenue-share;perpetual;custom): freeVerification pending
Source repository(HTTPS URL): https://github.com/apache/flinkVerified
SPDX license IDs(Apache-2.0;MIT): Apache-2.0Verification pending

Features · Product · Fit

Core capabilities(authoring;automation;analytics): Exactly-once state consistency, Event-time processing with sophisticated late data handling, SQL on Stream & Batch Data, DataStream API and ProcessFunction (Time & State), Scale-out architecture with incremental checkpoints, Low latency, high throughput in-memory computingVerification pending

Api · Integrations · Ecosystem

API available(true/false): trueVerification pending

Audience · Use · Case

Best for(Neutral editorial summary): Engineers building stateful computations over unbounded and bounded data streams at in-memory speed and at any scale.Verification pending
Company-size fit(individual;SMB;mid-market;enterprise): SMB, mid-market, enterpriseVerification pending
Primary use cases(build;monitor;automate): Event Driven Applications, Stream & Batch Analytics, Data Pipelines & ETLVerified
Skill level(beginner;intermediate;advanced;specialist): specialistVerification pending

Lifecycle · Versioning

Current version(1.12.3): 2.3Verified
Maintenance status(active;maintenance;deprecated;EOL;archived): activeVerification pending

Vendor · Maintainer

Vendor type(commercial;foundation;community;government;consortium;individual): foundationVerified

User reviews

Review policy

No published reviews yet.