Plugins are the best way to extend GitBook functionalities (ebook and website). There exist plugins to do a lot of things: bring math formulas display support, track visits using Google Analytic, ...

How to find plugins?

Plugins can be easily searched on

How to install a plugin?

Once you find a plugin that you want to install, you need to add it to your book.json:

    "plugins": ["myPlugin", "anotherPlugin"]

You can also specify a specific version using: "myPlugin@0.3.1", this is usefull when you're using an outdated version of GitBook.

If you're building your book locally, download and prepare plugins simply by running: gitbook install.