1.supermacro / neverthrow
Type-Safe Errors for JS & TypeScript
+34 stars
from 7,728 · score 3.56
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Ranked by Attention Score: stars gained over the last 30 complete days
11 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
2.gcanti / fp-ts
Functional programming in TypeScript
+8 stars
from 11,540 · score 2.20
3.cyclejs / cyclejs
A functional and reactive JavaScript framework for predictable code
+7 stars
from 10,220 · score 2.08
4.funkia / list
🐆 An immutable list with unmatched performance and a comprehensive functional API.
+4 stars
from 1,647 · score 1.61
5.Oaxoa / fp-filters
A curated list of ready-to-use (functional programming) array filters (TS / ESM / CJS)
+4 stars
from 94 · score 1.61
6.marblejs / marble
Marble.js - functional reactive Node.js framework for building server-side applications, based on TypeScript and RxJS.
+3 stars
from 2,143 · score 1.39
7.true-myth / true-myth
Safe and idiomatic TypeScript types to handle null, error, and async code handling: Maybe, Result, and Task types that are really nice.
+3 stars
from 1,366 · score 1.39
8.gigobyte / purify
Functional programming library for TypeScript - https://gigobyte.github.io/purify/
+2 stars
from 1,605 · score 1.10
9.emmanueltouzery / prelude-ts
Functional programming, immutable collections and FP constructs for typescript and javascript
+1 stars
from 384 · score 0.69
10.TomerAberbach / lfi
🦥 A lazy functional iteration library supporting sync, async, and concurrent iteration.
+1 stars
from 350 · score 0.69
11.functionaljs / functional-js
A functional JavaScript library that facilitates currying and point-free programming
+1 stars
from 224 · score 0.69