G2 Vendor Directory

Apache Flink

by The Apache Software Foundation

17

Reviews

4.4

Star rating

#3

Rank in Java Web Frameworks

Pros and cons

Pros

    Cons

      Traffic & LLM citations

      Monthly G2.com page views and citations by AI answer engines for Apache Flink.

      Page views and citations · Apache Flink

      Source: G2 review data

      Winning from

      Based on reviewers who said they switched from another product.

      1

      Apache Storm

      1 switched

      Losing to

      Based on reviewers of other products who said they switched from Apache Flink.

      1

      Apache BookKeeper

      1 switched

      Key stats

      —

      53

      Enterprise

      2

      Adoption by company size

      SegmentShare of reviews
      Small Business29.4%
      Mid-Market17.6%
      Enterprise52.9%

      Quarterly history

      QuarterReviewsStar rating
      2026 Q314.5

      Satisfaction ratings

      Ease of Use8.9
      Ease of Setup8.9
      Quality of Support8.7
      Meets Requirements9.7

      What reviewers say

      Flink - Fastest Realtime Stream Processing Engine

      5.0

      “I really like the table APIs provided by Apache Flink. It is very easy to do simple transformations on top of a Kafka table via Flink SQL query. Apart from that, the community is present on Slack in case of user issues. It provides multiple ways to deploy Flink on cloud like K”

      Data engineer

      One of the best backend processing frameworks

      4.5

      “it is open-source, user friendly and easy to install and configure, its checkpoint feature”

      IT Administrator

      Highly scalable distributed processing engine

      5.0

      “It supports both stateful and stateless computations on streams Supports both batch mode and real-time analytics Has proven to be high performing, less memory-hungry compared to the storm It has capability to do windowing, machine learning integration etc., It is highly scalable ”

      Technical Lead