Nest - the testing library

Nozbe's fork of LokiJS, optimized for WatermelonDB

Better file system API

JavaScript utilities with respect to emerging standard

Let’s get serious about color

Returns true if a value is a plain object, array or function.

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

Public Key Infrastructure (PKI) is the basis of how identity and key management is performed on the web today. PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications. It is built on WebCrypto and aspires to make it p

Parses set-cookie headers into objects

Generate contour lines from a grid of data.

Provides tools for conversion between geographic coordinates and projected coordinates.

Stringify any JavaScript value.

Measures patterns of attribute values associated with features. Reveals whether similar values tend to occur near each other, or whether high or low values are interspersed

An object-oriented language for parsing and pattern matching

Java Script Object eXchange.

WebAssembly tools for JavaScript

JavaScript/TypeScript molecular visualization library

Finds the central point of a GeoJSON feature, like a city or a park. Ideal for placing labels or markers.

Internationalized calendar, date, and time manipulation utilities

Ready to take your Object-Oriented Javascript to the next level? ES6 was good, let's be great.