JS xls
Javascript XLS (Excel 97-2004 spreadsheet) parser and (one day) writer
jQuery File Upload
File Upload widget with multiple file selection, drag&drop support, progress bars and preview images for jQuery. Supports cross-domain, chunked and resumable file uploads and client-side image resizing. Works with any server-side platform (PHP, Python, Ruby on Rails, Java, Node.js, Go etc.) that supports standard HTML form file uploads.
Typeorm
ORM for TypeScript and JavaScript (ES7, ES6, ES5). Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.
Fortune
A library for managing structured data in Node.js and web browsers.
Dc.js
Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js
Holmes
Fast and easy searching inside a page
Clusterize.js
Tiny vanilla JS plugin to display large data sets easily
Jtable
A JQuery plugin to create AJAX based CRUD tables.
Mavo
Create web applications entirely by writing HTML and CSS!
Rickshaw
JavaScript toolkit for creating interactive real-time graphs
Tau Charts
D3 based data-focused charting library. Designed with passion. Flexible.
Backbone localStorage
A localStorage adapter for Backbone.js
Reasondb
A 100% JavaScript object database: SQL like syntax, full-text search, auto object sync, swapable persistence engines, asynchronous cursors, streaming analytics, 18 built-in plus in-line fat arrow predicates, predicate extensibility, indexed computed values, joins, nested matching, statistical sampling and more.
Tfjs
A WebGL accelerated JavaScript library for training and deploying ML models.
Isjs
Check your data against regular expressions or known keywords.
Ri Ta Js
RiTa: the generative language toolkit (in JS)
Jstat
JavaScript Statistical Library