Unique machine (desktop) id (no admin privileges required).

mongoose-unique-validator is a plugin which adds pre-save validation for unique fields within a Mongoose schema.

A package to generate a unique username from email or randomly selected nouns and adjectives. User can add a separator between the username, define the maximum length of a username and adds up to six random digits.

Generate a random integer

Unique network api types

Reduce an array to unique values, optionally into a separate array.

Unique network api types

Unique network api types

Unique file name with streams support

It's a very fast and efficient glob library for Node.js

Unique Token authentication strategy for Passport.

Adds a unique suffix to a string with process and thread uniqueness guarantees. Adapted from https://github.com/npm/write-file-atomic

Get consecutively unique elements from an array

The schema definition for collections

Provides functions and types for detecting if the host environment is IE11

A utility to track objects on a canvas by unique px color

Generate random numbers that are consecutively unique

A utility for generating monotonically increasing unique event ids across a network of services.

Parameterised tests for Jest

Tiny but linear growing unique id generator