Java Streams

Open-source Java projects categorized as Streams
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Java Kafka Functional programming Jvm Asynchronous
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Top 7 Java Stream Projects

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Streams

  1. kafka-ui

    Open-Source Web UI for Apache Kafka Management

  2. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  3. cyclops-react

    An advanced, but easy to use, platform for writing functional applications in Java 8. (by AOL-archive)

  4. Mutiny

    An Intuitive Event-Driven Reactive Programming Library for Java

  5. mug

    A small Java 8 library (string manipulation, BiStream, Structured Concurrency, SQL Templates)

  6. java-immutable-collections

    Efficient Immutable/Persistent Collections for Java

  7. packrat

    Gatherers library for Java Stream API

  8. kpow-streams-agent

    Monitor Kafka Streams applications with Kpow

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Java Streams discussion

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Java Streams related posts

  • DateTimeFormats: Parse "Tue, 2024-03-19 15:00:00 UTC" without EEEE zzz SSS

    2 projects | news.ycombinator.com | 12 May 2025

  • DateTimeFormats: Parse date time by examples (no EEEE VV zzz)

    2 projects | news.ycombinator.com | 10 May 2025

  • Chain - a Goofy, Functional Tree-backed List

    1 project | dev.to | 11 Jun 2024

  • Parsing dates and time in Java

    1 project | dev.to | 28 Apr 2024

  • What's everyones favorite Stream utility library (or ies)? I see jOOL and StreamEx mentioned occasionally, are there others?

    2 projects | /r/java | 14 Dec 2021

  • Vavr | Λrrow . . . Complementary or redundant? (Note: This is a multi-part question.)

    3 projects | /r/Kotlin | 26 Apr 2021
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    www.saashub.com | 13 Jul 2026
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Index

What are some of the best open-source Stream projects in Java? This list will help you:

# Project Stars
1 kafka-ui 12,055
2 cyclops-react 1,328
3 Mutiny 925
4 mug 524
5 java-immutable-collections 50
6 packrat 29
7 kpow-streams-agent 11

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