Backgrid
Finally, an easily stylable semantic HTML data grid widget with a Javascript API that doesn't suck.
Polychart2
Version 2 of Polychart.js
Mindb
Database on JavaScript
Onionskin
A client- and server-side multi-layer cache manager library
Morris.js
Pretty time-series line graphs
Js Store
JsStore is an IndexedDB Wrapper. It makes IndexedDB super easy with its SQL like apis.
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.
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)
Ydn Db
Javascript database module for Indexeddb, Web SQL and localStorage storage mechanisms supporting version migration, advanced query, SQL and transaction.
Vue Trend Chart
Simple trend charts for Vue.js
Synaptic
architecture-free neural network library for node.js and the browser
Line Chart
Awesome charts for AngularJS.
Flotr2
Graphs and Charts for Canvas in JavaScript.
Dimple
An object-oriented API for business analytics
Mesh.js
common, streamable interface for synchronizing data
Data Tables
DataTables is a plug-in for the jQuery Javascript library. It is a highly flexible tool, based upon the foundations of progressive enhancement, which will add advanced interaction controls to any HTML table.