Jetpack v9.6.1 delivers 33 blocks available in a development environment. When connected to wordpress.com you will find several more. A few of these are catalogued here.

Increase your traffic, view your stats, speed up your site, and protect yourself from hackers with Jetpack.

Address – jetpack/address
Lets you add a physical address with Schema markup.

Business Hours – jetpack/business-hours
Display opening hours for your business.

Button – jetpack/button

Calendly – jetpack/calendly
Embed a calendar for customers to schedule appointments

Checkbox – jetpack/field-checkbox
Add a single checkbox.

Checkbox Group – jetpack/field-checkbox-multiple
People love options. Add several checkbox items.

Contact Info – jetpack/contact-info
Lets you add an email address, phone number, and physical address with improved markup for better SEO results.

Date Picker – jetpack/field-date
The best way to set a date. Add a date picker.

Email – jetpack/field-email
Want to reply to folks? Add an email address input.

Email Address – jetpack/email
Lets you add an email address with an automatically generated click-to-email link.

Eventbrite Checkout – jetpack/eventbrite
Embed Eventbrite event details and ticket checkout.

Form – jetpack/contact-form
A simple way to get feedback from folks visiting your site.

GIF – jetpack/gif
Search for and insert an animated image.

Google Calendar – jetpack/google-calendar
Embed a Google Calendar

Image Compare – jetpack/image-compare
Compare two images with a slider. Works best with images of the same size.

Map – jetpack/map
Add an interactive map showing one or more locations.

Markdown – jetpack/markdown

Use regular characters and punctuation to style text, links, and lists.

Support reference(opens in a new tab)

Message – jetpack/field-textarea
Let folks speak their mind. This text box is great for longer responses.

Name – jetpack/field-name
Introductions are important. Add an input for folks to add their name.

OpenTable – jetpack/opentable
Allow visitors to book a reservation with OpenTable

Phone Number – jetpack/field-telephone
Add a phone number input.

Phone Number – jetpack/phone
Lets you add a phone number with an automatically generated click-to-call link.

Pinterest – jetpack/pinterest
Embed a Pinterest pin, board, or user.

Podcast Player – jetpack/podcast-player
Select and play episodes from a single podcast.

Radio – jetpack/field-radio
Inspired by radios, only one radio item can be selected at a time. Add several radio button items.

Repeat Visitor – jetpack/repeat-visitor
Control block visibility based on how often a visitor has viewed the page.

Revue – jetpack/revue
Add a subscription form for your Revue newsletter.

Select – jetpack/field-select
Compact, but powerful. Add a select box with several items.

Slideshow – jetpack/slideshow
Add an interactive slideshow.

Star Rating – jetpack/rating-star
Rate movies, books, songs, recipes — anything you can put a number on.

Text – jetpack/field-text
When you need just a small amount of text, add a text input.

Tiled Gallery – jetpack/tiled-gallery
Display multiple images in an elegantly organized tiled layout. Serves images using Jetpack’s fast global network of servers.

Website – jetpack/field-url
Add an address input for a website.

Available in connected sites

Some blocks are available when configured in sites connected to WordPress.com, but not in local development environments.

1. Ad Block – see Ad Block
2. Latest Instagram Posts Block – see Latest Instagram Posts Block 
3. Mailchimp Block – see Mailchimp Block 
4. Recurring Payments Block – see Recurring Payments Block 
5. Related Posts – see Related Posts Block 
6. Simple Payments Block – see Simple Payments Block
7. Subscription Form Block – see Subscription Form Block
8. Video Block – see Video Block

TODO: Find a way to enable local documentation of these blocks.