Mesh.js
common, streamable interface for synchronizing data
Recline
A simple but powerful library for building data applications in pure Javascript and HTML.
Sortable
Sortable — is a minimalist JavaScript library for reorderable drag-and-drop lists on modern browsers and touch devices. No jQuery. Supports Meteor, AngularJS, React and any CSS library, e.g. Bootstrap.
Reactable
Fast, flexible, and simple data tables in React
Chartkick
Create beautiful Javascript charts with one line of Ruby
Smoothie
Smoothie Charts: smooooooth JavaScript charts for realtime streaming data
Line Chart
Awesome charts for AngularJS.
Metrics Graphics
A library optimized for concise, principled data graphics and layouts.
Aja.js
Ajax without XML : Asynchronous JavaScript and JavaScript/JSON(P)
Fast Json Patch
Lean and mean Javascript implementation of the JSON-Patch standard (RFC 6902). Update JSON documents using delta patches.
Power Array
Boosted Performance Array
Timesheet.js
JavaScript library for HTML5 & CSS3 time sheets
Immutable Js
Immutable persistent data collections for Javascript which increase efficiency and simplicity.
Alchemy
Alchemy.js is a graph drawing application built in d3.
Tabletop
Tabletop.js gives spreadsheets legs
Pouchdb
PouchDB is a pocket-sized database.