Gitto is an extended d3 bundle which includes all d3 standard libraries with the addition of

If you use NPM, npm install giotto, Otherwise, download the latest release. You can also load directly from giottojs.org, as a standalone library or unpkg. AMD, CommonJS, and vanilla environments are supported. In vanilla, a d3 global is exported.

<script src="https://giottojs.org/latest/giotto.js"></script>
<script src="https://giottojs.org/latest/giotto.min.js"></script>

You can also try giotto in your browser.