Scala Functional programming

Open-source Scala projects categorized as Functional programming

Top 23 Scala Functional programming Projects

  • lila

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

  • Project mention: Lessons from Open-Source Game Projects | dev.to | 2024-04-10

    Lichess - Online Chess Server. Scala, TypeScript

  • scala

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

  • Project mention: Groovy 🎷 Cheat Sheet - 01 Say "Hello" from Groovy | dev.to | 2024-03-07

    Recently I had to revisit the "JVM languages universe" again. Yes, language(s), plural! Java isn't the only language that uses the JVM. I previously used Scala, which is a JVM language, to use Apache Spark for Data Engineering workloads, but this is for another post 😉.

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

    WorkOS logo
  • Scalaz

    Principled Functional Programming in Scala

  • Project mention: Going into year 2 of Software Development Foundation Degree, have a particular liking for OOP and SQL, any tips, info or pointers on where to go from there? | /r/cscareerquestions | 2023-05-29

    I'm sorry, but have you ever done functional programming for a real company, like in a functional programming language like Haskell, Scala, or F#? Have you ever used Scala cats or scalaz? Have you ever learned category theory and how to apply its abstractions in software? Listen u/judethedude2106 this person hasn't gone as far down the functional programming rabbit hole as I have. Beyond learning the basics like the difference between pure and impure functions, what are closures, what higher order functions are and the most common ones like .map, .filter, and .flatmap, the immutable collections like immutable linked lists and trees, and what a Monad is and common monads like those used for futures/promises, async programming, and Option (Some or None, which is used instead of null checking), the more advanced functional programming stuff like category theory based abstractions are totally useless for real jobs and is just a giant time suck. Don't waste years on functional programming, spend at most a few months on it and no more.

  • ZIO

    ZIO — A type-safe, composable library for async and concurrent programming in Scala

  • Project mention: The golden age of Kotlin and its uncertain future | news.ycombinator.com | 2024-01-11
  • Shapeless

    Generic programming for Scala

  • Project mention: Question regarding Recursive datatypes and cats typeclasses (Haskell to Scala) | /r/scala | 2023-07-06

    Scala 2-only: * Shapeless (there is Shapeless for Scala 3 but less often needed as basic things are in Scala 3)

  • Scala Exercises

    The easy way to learn Scala.

  • Project mention: How to get started? | /r/scala | 2023-06-02
  • FS2

    Compositional, streaming I/O library for Scala

  • Project mention: Ask HN: What are some of the most elegant codebases in your favorite language? | news.ycombinator.com | 2023-06-17
  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo
  • doobie

    Functional JDBC layer for Scala.

  • Monix

    Asynchronous, Reactive Programming for Scala and Scala.js.

  • Project mention: Ask HN: What are some of the most elegant codebases in your favorite language? | news.ycombinator.com | 2023-06-17
  • scalajs-react

    Facebook's React on Scala.JS

  • Monocle

    Optics library for Scala

  • skunk

    A data access library for Scala + Postgres.

  • scalacaster

    Purely Functional Algorithms and Data Structures in Scala

  • tapir

    Declarative, type-safe web endpoints library

  • caliban

    Functional GraphQL library for Scala

  • frameless

    Expressive types for Spark.

  • Quicklens

    Modify deeply nested case class fields

  • DeepLearning.scala

    A simple library for creating complex neural networks

  • better-monadic-for

    Desugaring scala `for` without implicit `withFilter`s

  • scalachess

    Chess API written in scala. Immutable and free of side effects.

  • Learn-by-doing functional programming course on Scala

    learn-by-doing course/tutorial for functional programming on scala

  • trading

    💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)

  • Project mention: Scala real world projects | /r/scala | 2023-07-03
  • Eff

    Eff monad for cats - https://atnos-org.github.io/eff

  • SaaSHub

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

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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).

Scala Functional programming related posts

Index

What are some of the best open-source Functional programming projects in Scala? This list will help you:

Project Stars
1 lila 14,578
2 scala 14,271
3 Scalaz 4,654
4 ZIO 3,991
5 Shapeless 3,363
6 Scala Exercises 2,621
7 FS2 2,325
8 doobie 2,118
9 Monix 1,920
10 scalajs-react 1,634
11 Monocle 1,630
12 skunk 1,549
13 scalacaster 1,463
14 tapir 1,289
15 caliban 940
16 frameless 869
17 Quicklens 810
18 DeepLearning.scala 763
19 better-monadic-for 698
20 scalachess 619
21 Learn-by-doing functional programming course on Scala 604
22 trading 604
23 Eff 570

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