Barry Carlyon

This plugin adds extra bits an pieces to <a href="https://wordpress.org/extend/plugins/jetpack/" rel="ugc">WordPress Jetpack</a>
Previous called “Jetpack Extras” renamed at request of Jetpack Team to “Custom Tweaks for Jetpack”
Which includes the following additions:
<ul>
<li>
Ability to control button placement, above, below, or both of the post content, with separate options for the archive page and content display page
</li>
<li>
Twitter Button added Related (username/optional description format)
</li>
<li>Adds the ability to make the Twitter button share the WP.me url, if that JetPack module in use, <a href="http://skipsloan.com/?p=175" rel="nofollow ugc">As suggested by SkipTweets on Twitter</a></li>
</ul>
Currently removed is:
<ul>
<li>Ability to turn on/off the <a href="https://dev.twitter.com/docs/tweet-button#optout" rel="nofollow ugc">DNT Twitter</a> button mode – it is difficult to add without editing chunks of the core</li>
</ul>

Custom Tweaks for Jetpack by BarryCarlyon

Extras for WordPress Jetpack. Tested up to Jetpack 3.4.1

Oliver Campion

<h4>Display Remote Posts Block</h4>
This plugin adds a block in the Gutenberg editor to allow you to display posts from a third party blog.
Currently this plugin supports the following blog types …
<ul>
<li>WordPress.org</li>
<li>WordPress (self hosted with Jetpack installed)</li>
<li>WordPress (self hosted)</li>
<li>Blogger – An issue with feeds.feedburner.com is currently breaking Blogger compatibility</li>
</ul>
Contact us in the <a href="https://wordpress.org/support/plugin/display-remote-posts-block/" title="Support Forum" rel="ugc">Support Forum</a> if you’d like us to add support for another type of blog.

Display Remote Posts Block

Block to display recent posts from a WordPress or Blogger blog.

Custom Tweaks for Jetpack by BarryCarlyon vs Display Remote Posts Block