Jquery Handsontable
Handsontable is a minimalistic approach to Excel-like table editor in HTML & jQuery
Plotly.js
The open source javascript graphing library that powers plotly
FileSaver.js
An HTML5 saveAs() FileSaver implementation
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.
Local Forage
Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.
Apexcharts.js
📊 Interactive and Modern SVG Charts
Mqtt.js
The MQTT client for Node.js and the browser
Pouchdb
PouchDB is a pocket-sized database.
Bootstrap Table
An extended Bootstrap table with radio, checkbox, sort, pagination, and other added features. (supports twitter bootstrap v2 and v3)
Cytoscape.js
A JavaScript graph library for analysis and visualisation (compatible with CommonJS/Node.js, AMD/Require.js, jQuery 1.4+, Bower, npm, and plain JavaScript)
Rxdb
:computer: :iphone: A reactive Database for Progressive Web Apps and more
Lowdb
An extendable JSON database for Node and the browser powered by lodash
Papa Parse
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
Fuse
Lightweight fuzzy-search, in JavaScript
Sigma
An open-source lightweight JavaScript graph drawing library
Jszip
Create, read and edit .zip files with Javascript
Peerjs
Peer-to-peer data in the browser