Best Open Source functional programming Libraries

A curated list of the most popular GitHub repositories tagged with functional programming. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1MostlyAdequate/mostly-adequate-guide

Mostly adequate guide to FP (in javascript)

23,828JavaScript

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#2hemanth/functional-programming-jargon

Jargon from the functional programming world in simple terms!

18,660

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#3lichess-org/lila

♞ lichess.org: the forever free, adless and open source chess server ♞

17,778Scala

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#4scala/scala

Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3

14,441Scala

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#5oldratlee/translations

🐼 Chinese translations for classic software development resources

6,921

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#6arrow-kt/arrow

The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming

6,518Kotlin

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