Backgrid
Finally, an easily stylable semantic HTML data grid widget with a Javascript API that doesn't suck.
Polychart2
Version 2 of Polychart.js
Any Chart
AnyChart is a lightweight and robust JavaScript charting solution with great API and documentation. The chart types and unique features are numerous, the library works easily with any development stack.
Mindb
Database on JavaScript
Onionskin
A client- and server-side multi-layer cache manager library
Rusha
High-performance pure-javascript SHA1 implementation suitable for large binary data, reaching up to half the native speed.
Morris.js
Pretty time-series line graphs
Js Store
JsStore is an IndexedDB Wrapper. It makes IndexedDB super easy with its SQL like apis.
Flotr2
Graphs and Charts for Canvas in JavaScript.
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.
Dimple
An object-oriented API for business analytics