10

8

6

4

2


8.5

9.0

7.7
0.0

7.0

6.3

6.8

3.4

6.2
0.0

5.4

3.4
λ

13 Functional Programming libraries and projects

  • Javaslang

    8.5 9.0 L3 Java
    vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
  • Functional Java

    7.7 0.0 L5 Java
    Backport of Java 8's lambda expressions to Java 7, 6 and 5
  • InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
    Promo www.influxdata.com
    InfluxDB Logo
  • StreamEx

    7.0 6.3 L3 Java
    Enhancing Java Stream API
  • jOOλ

    6.8 3.4 L2 Java
    jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.
  • cyclops-react

    6.2 0.0 L3 Java
    An advanced, but easy to use, platform for writing functional applications in Java 8.
  • λ

    5.4 3.4 Java
    Functional patterns for Java
  • derive4j

    4.6 0.0 L4 Java
    Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, folds, optics and typeclasses.
  • underscore-java

    4.5 8.7 L1 Java
    java port of Underscore.js
  • protonpack

    4.3 0.0 L5 Java
    Stream utilities for Java 8
  • Faux Pas

    2.9 1.7 L5 Java
    A library that simplifies error handling for Functional Programming in Java
  • Fugue

    2.7 -
    Functional extensions to Guava.
  • Packrat

    1.7 8.6 Java
    Gatherers library for Java Stream API
  • Vavr

    -
    Functional component library that provides persistent data types and functional control structures.

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