D3.js

data

A JavaScript library for producing dynamic, interactive data visualisations in web browsers using SVG and HTML.

Pronunciation

Correct

dee-three-jay-ess

/diː θriː dʒeɪ ɛs/

D3 stands for Data-Driven Documents. Pronounced 'dee-three', followed by 'jay-ess'. Creator Mike Bostock uses this in talks.

Source: d3js.org(official spec)