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Repositories in this selection 50 · UTC 2026-11-03
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1—MMostlyAdequate / mostly-adequate-guideMostly adequate guide to FP (in javascript)JavaScriptNOASSERTION · Restricted / unknownInsufficient rank history23,8161,867——2024-09-17
2—Llichess-org / lila♞ lichess.org: the forever free, adless and open source chess server ♞ScalaAGPL-3.0 · Share derivative sourceInsufficient rank history18,9412,800——2026-11-03
3—Hhemanth / functional-programming-jargonJargon from the functional programming world in simple terms!JavaScriptMIT · PermissiveInsufficient rank history18,7431,004——2026-10-04
4—NNixOS / nixNix, the purely functional package managerC++LGPL-2.1 · Share derivative sourceInsufficient rank history17,9662,063——2026-11-02
5—Ggetify / Functional-Light-JSPragmatic, balanced FP in JavaScript. @FLJSBook on twitter.JavaScriptNOASSERTION · Restricted / unknownInsufficient rank history16,7181,906——2023-12-26
6—Sscala / scalaScala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3ScalaApache-2.0 · PermissiveInsufficient rank history14,5353,294——2026-11-03
7—Hhmemcpy / milewski-ctfp-pdfBartosz Milewski's 'Category Theory for Programmers' unofficial PDF and LaTeX sourceTeXNOASSERTION · Restricted / unknownInsufficient rank history11,706646——2026-07-10
8—Ggcanti / fp-tsFunctional programming in TypeScriptTypeScriptMIT · PermissiveInsufficient rank history11,548506——2026-04-20
9—DDeathKing / Learning-SICPCollection of cultural projects and course learning materials in the MIT open video course "Construction and Interpretation of Computer Programs".RubyUnknown · Restricted / unknownInsufficient rank history11,2981,523——2026-06-26
10—Ccyclejs / cyclejsA functional and reactive JavaScript framework for predictable codeTypeScriptMIT · PermissiveInsufficient rank history10,227425——2026-06-09
11—Kkickstarter / ios-ossKickstarter for iOS. Bring new ideas to life, anywhere.SwiftApache-2.0 · PermissiveInsufficient rank history8,6731,231——2026-10-28
12—Ssupermacro / neverthrowType-Safe Errors for JS & TypeScriptTypeScriptMIT · PermissiveInsufficient rank history7,763155——2026-02-14
13—Aalibaba / fish-reduxAn assembled flutter application framework.DartApache-2.0 · PermissiveInsufficient rank history7,256826——2022-02-17
14—AAllThingsSmitty / must-watch-javascriptJavaScript talks you have to see 👀 on functional programming, performance, frameworks, React, debugging, leveling up, and more!UnknownCC0-1.0 · PermissiveInsufficient rank history7,139360——2026-10-23
15—Llouthy / language-extC# pure functional programming framework - come and get declarative!C#MIT · PermissiveInsufficient rank history7,083447——2026-10-09
16—Ooldratlee / translations🐼 Chinese translations for classic software development resourcesUnknownNOASSERTION · Restricted / unknownInsufficient rank history6,9111,527——2025-03-09
17—Aarrow-kt / arrowThe perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programmingKotlinNOASSERTION · Restricted / unknownInsufficient rank history6,586471——2026-11-02
18—Lliuxinyu95 / AlgoXYBook of Elementary Functional Algorithms and Data structuresTeXUnknown · Restricted / unknownInsufficient rank history6,328763——2025-12-15
19—Vvavr-io / vavrvʌvr (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.JavaApache-2.0 · PermissiveInsufficient rank history6,183681——2026-10-31
20—Rroc-lang / rocA fast, friendly, functional language.ZigUPL-1.0 · PermissiveInsufficient rank history6,183428——2026-11-03
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