potasiyam

This plugin adds a ticker which shows recent posts as headlines. You can set the position top or bottom, fixed or absolute or set the number of posts to show. Some pretty neat features yet to come.

Just Ticker

Adds a ticker bar to your wordpress site which will show your recent post headlines.

Kazuki Yanamoto

This plugin can customize each page and post “title” with css and html for Twenty Nineteen and the other Twenty series theme. It works on Gutenberg and Classic editor. Changable design to smartphone, tablet, and PC .
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Screenshot 1. (“Posts” and “Pages” edit page)
You can use HTML to customize title. 
Here is an example using ＜br＞ to the title.
Please select “Smartphone” or “PC and Tablet” 
You may select both “Smartphone” and “PC and Tablet”.
There is “Title HTML2” so that you can add different HTML to “Smartphone” or “PC and Tablet”.
<h3></h3>
Screenshot 2. (“Posts” and “Pages” edit page)
You can use CSS to customize title. 
Here is an example using “color:red” and “color:blue” to the title.
Please select “Smartphone” or “PC and Tablet” 
You may select both “Smartphone” and “PC and Tablet”.
There is “Title CSS2” so that you can add different CSS to “Smartphone” or “PC and Tablet”.
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Screenshot 3. ( “Page Title setting” Settings page)
You can use CSS for “all the title”. 
It will add CSS to every page title.
There is “CSS all title2” so that you can add different CSS to “Smartphone” or “PC and Tablet”.
You can use CSS for “Category page and Archive page title”. 
It will add CSS only to the category page and Archive page title.
There is “Category page and Archive page title2” so that you can add different CSS to “Smartphone” or “PC and Tablet”.
You can use CSS for “Post page title”. 
It will add CSS only to the post page title.
There is “Post page title2” so that you can add different CSS to “Smartphone” or “PC and Tablet”.

Page Title Customizer for Twenty series

This plugin can customize each page and post "title" with css and html for Twenty Nineteen and the other Twenty series theme.

Just Ticker vs Page Title Customizer for Twenty series