![Ramda](/logos/ramda.dark.svg) | Practical functional Javascript | Pushed 11 days ago 329 contributors Created 11 years ago | 23.7k |
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![Functional Programming Jargon](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F18315%3Fv%3D3%26s%3D48&w=96&q=75) | Jargon from the functional programming world in simple terms! | Pushed a year ago 87 contributors Created 9 years ago | 18.6k |
![Functional-Light JavaScript](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F150330%3Fv%3D3%26s%3D48&w=96&q=75) | Pragmatic, balanced FP in JavaScript. @FLJSBook on twitter. | Pushed 2 years ago 34 contributors Created 8 years ago | 16.6k |
![ts-pattern](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F9265418%3Fv%3D3%26s%3D48&w=96&q=75) | The exhaustive Pattern Matching library for TypeScript, with smart type inf... | Pushed 3 days ago 20 contributors Created 4 years ago | 11.4k |
![fp-ts](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F878912%3Fv%3D3%26s%3D48&w=96&q=75) | Functional programming in TypeScript | Pushed 2 days ago 128 contributors Created 8 years ago | 10.7k |
![redux-observable](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F19417071%3Fv%3D3%26s%3D48&w=96&q=75) | RxJS middleware for action side effects in Redux using "Epics" | Pushed a month ago 103 contributors Created 8 years ago | 7.85k |
![Elm](/logos/elm.dark.svg) | Compiler for Elm, a functional language for reliable webapps. | Pushed 9 months ago 95 contributors Created 12 years ago | 7.48k |
![io-ts](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F878912%3Fv%3D3%26s%3D48&w=96&q=75) | Runtime type system for IO decoding/encoding | Pushed 8 months ago 37 contributors Created 7 years ago | 6.65k |
![Effect](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F77678942%3Fv%3D3%26s%3D48&w=96&q=75) | An ecosystem of tools to build robust applications in TypeScript | Pushed a day ago 91 contributors Created 5 years ago | 6.48k |
![Just](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F604030%3Fv%3D3%26s%3D48&w=96&q=75) | A library of dependency-free JavaScript utilities that do just one thing. | Pushed a year ago 95 contributors Created 8 years ago | 5.96k |
![Remeda](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F39049333%3Fv%3D3%26s%3D48&w=96&q=75) | A utility library for JavaScript and TypeScript. | Pushed 11 days ago 91 contributors Created 6 years ago | 4.32k |
![Sanctuary](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F18357498%3Fv%3D3%26s%3D48&w=96&q=75) | Refuge from unsafe JavaScript | Pushed 7 months ago 31 contributors Created 10 years ago | 3.03k |
![NeverThrow](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F10621548%3Fv%3D3%26s%3D48&w=96&q=75) | Type-Safe Errors for JS & TypeScript | Pushed 9 days ago 39 contributors Created 5 years ago | 2.72k |
![Rambda](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F2149294%3Fv%3D3%26s%3D48&w=96&q=75) | Faster and smaller alternative to Ramda | Pushed 21 days ago 60 contributors Created 8 years ago | 1.62k |
![Purify](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F8791446%3Fv%3D3%26s%3D48&w=96&q=75) | Functional programming library for TypeScript | Pushed 5 days ago 33 contributors Created 6 years ago | 1.5k |
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![True Myth](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F43589776%3Fv%3D3%26s%3D48&w=96&q=75) | A library for safer and smarter error- and "nothing"-handling in TypeScript... | Pushed 5 days ago 19 contributors Created 7 years ago | 924 |
![FxTS](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F27278709%3Fv%3D3%26s%3D48&w=96&q=75) | A functional programming library for TypeScript/JavaScript | Pushed 24 days ago 25 contributors Created 3 years ago | 863 |
![Monads](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F165563385%3Fv%3D3%26s%3D48&w=96&q=75) | Option, Result, and Either types for TypeScript - Inspired by Rust | Pushed 7 days ago 13 contributors Created 7 years ago | 808 |
![Ramda Adjunct](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F193286%3Fv%3D3%26s%3D48&w=96&q=75) | The most popular and most comprehensive set of functional utilities for us... | Pushed 2 days ago 70 contributors Created 7 years ago | 679 |
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![Pratica](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F9722062%3Fv%3D3%26s%3D48&w=96&q=75) | Functional Algebraic Data Types | Pushed 2 months ago 9 contributors Created 5 years ago | 453 |
![Result](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F25607750%3Fv%3D3%26s%3D48&w=96&q=75) | A TypeScript result type taking cues from Rust's Result and Haskell's Eithe... | Pushed 6 months ago 4 contributors Created 6 years ago | 283 |
![Rubico](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F65972288%3Fv%3D3%26s%3D48&w=96&q=75) | [a]synchronous functional programming | Pushed 4 months ago 5 contributors Created 5 years ago | 270 |
![hkt-toolbelt](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F7668446%3Fv%3D3%26s%3D48&w=96&q=75) | Functional and composable type utilities | Pushed 2 months ago 7 contributors Created 2 years ago | 231 |
![match-iz](/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F824991%3Fv%3D3%26s%3D48&w=96&q=75) | A tiny pattern-matching library in the style of the TC39 proposal. | Pushed 3 months ago 3 contributors Created 3 years ago | 142 |