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Top JavaScript Utilities 2025

GitHub Libraries → JavaScript → Utilities
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lodash/lodash 60K +27

added 5 months ago

A modern JavaScript utility library delivering modularity, performance, & extras.

JavaScript Utilities

jashkenas/underscore 27K +1

added 1 month ago

Underscore.js is a utility-belt library for JavaScript

JavaScript Utilities

sindresorhus/type-fest 15K +53

added 5 months ago

A collection of essential TypeScript types

JavaScript Utilities

gka/chroma.js 10K +14

added 3 months ago

JavaScript library for all kinds of color manipulations.

JavaScript Utilities

pmndrs/valtio 9K +27

added 3 months ago

Valtio turns the object you pass it into a self-aware proxy.

JavaScript Utilities React Utilities

ai/size-limit 6K +12

added 4 months ago

Size Limit is a performance budget tool for JavaScript. It checks every commit on CI, calculates the real cost of your JS for end-users and throws an error if the cost exceeds the limit.

JavaScript Utilities

piotrwitek/utility-types 5K +6

added 4 months ago

Collection of utility types, complementing TypeScript built-in mapped types and aliases (think "lodash" for static types).

JavaScript Utilities

airbnb/ts-migrate 5K +3

added 2 months ago

A tool for helping migrate code to TypeScript. It takes a JavaScript, or a partial TypeScript, project in and gives a compiling TypeScript project out.

JavaScript Utilities

vercel/ms 5K +8

added 3 months ago

Tiny millisecond conversion utility

JavaScript Utilities

sindresorhus/dot-prop 839 -2

added 4 months ago

Get, set, or delete a property from a nested object using a dot path

JavaScript Utilities

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