Site showing how many sites (on WordPress.com or using JetPack) have Gutenberg installed...as of August 2018.
Gutenberg is the codename for the new WordPress editor. It’s fast, flexible, and opens up a new world of possibilities for writing posts. It’s currently beta software, which means it’s being tested by thousands of different people all over the world, from big news organisations, to small businesses, to professional and personal bloggers.
* Post statistics only count posts made on WordPress.com and Jetpack sites, since late August 2018. The actual number is higher.