String Score
JavaScript string ranking 0 for no match upto 1 for perfect... "String".score("str"); //=> 0.825
Hashids.js
A small JavaScript class to generate YouTube-like hashids from one or many numbers. This is a client-side version of Node.js version.
FileSaver.js
An HTML5 saveAs() FileSaver implementation
Clusterize.js
Tiny vanilla JS plugin to display large data sets easily
Underscore.db
Pure JavaScript database based on Underscore for Node, node-webkit and the browser
Punycode.js
A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.
D3 Cloud
Create word clouds in JavaScript.
Faye
Simple pub/sub messaging for the web
JSON.js
JSON in JavaScript
Alchemy
Alchemy.js is a graph drawing application built in d3.
Vague Time
A tiny JavaScript library that formats precise time differences as a vague/fuzzy time, e.g. '3 months ago', 'just now' or 'in 2 hours'.
Slick Grid
A lightning fast JavaScript grid/spreadsheet
Rusha
High-performance pure-javascript SHA1 implementation suitable for large binary data, reaching up to half the native speed.
Flot
Flot is a pure JavaScript plotting library for jQuery, with a focus on simple usage, attractive looks and interactive features.
Datamaps
Maps for interactive data visualizations in Javascript
Vue Trend Chart
Simple trend charts for Vue.js
Metrics Graphics
A library optimized for concise, principled data graphics and layouts.