kengher

Broadcast simple, important alerts across your multisite network. Also great for single sites.
Features of Site Alert: 
* Display alert(s) in the Homepage with option to show in all pages of a site. 
* Native WordPress WYSIWYG message creation box for simplicity with media support. 
* Choice of hardcoded at the different parts of the page, or make it a pop-up modal. 
* Indicate different priority levels (colors) and icons. 
* Set a date range to publish/unpublish the alert.
Features as a Network Admin 
* Show alert across all all sites in your multisite network. 
* Exclude alert(s) from certain sites. 
* Site Groups manager to provide easier bulk exclusions.

Super Simple Site Alert

Broadcast simple, important alerts across your multisite network. Also great for single sites.

Vektor,Inc.

Hidekazu Ishikawa

DRILL LANCER

sysbird

Naoki Ohashi

Daiki Oshima

Tomoki Shimomura

chiakikouno

mimi

nc30

kaorock72

mthaichi

This is a plugin that extends Gutenberg’s blocks.
[Blocks] 
* Alert 
* Balloon 
* Border Box 
* Button 
* Classic FAQ 
* New FAQ 
* Flow 
* Heading (not recommended) 
* Icon 
* Icon Outer 
* Page Content 
* PR Blocks (not recommended) 
* PR Content (not recommended) 
* Responsive Spacer 
* Staff (not recommended) 
* Page list from ancestor 
* Slider 
* Visual Embed 
* Accordion [ Pro ] 
* Animation [ Pro ] 
* Archive list [ Pro ] 
* Blog Card [ Pro ] 
* Breadcrumb [ Pro ] 
* Button Outer [ Pro ] 
* Card [ Pro ] (not recommended) 
* Category Badge [ Pro ] 
* Child page list [ Pro ] 
* Dynamic Text ( Post Type name / Ancestor Page name ) [ Pro ] 
* Fixed Display [ Pro ] 
* Icon Card [ Pro ] (not recommended) 
* Post list [ Pro ] 
* Post list Slider [ Pro ] 
* New Badge [ Pro ] 
* Selected Post List [ Pro ] 
* Step [ Pro ] 
* Tab [ Pro ] 
* Table of Contents [ Pro ] 
* Taxonomy [ Pro ] 
* Timeline [ Pro ] 
* Grid Column [ Pro ] 
* Grid Column Card [ Pro ] 
* Outer [ Pro ]
[Extensions] 
* Hidden extension 
* Highlighter 
* Inline Font Size 
* Margin extension 
* Nowrap 
* Responsive BR 
* Columns direction 
* Custom CSS [ Pro ] 
* Link toolbar
[ Settings ] 
* Balloon 
* Custom Format [ Pro ] 
* Custom Block Style [ Pro ] 
* Common Margin 
* Load Separate 
* FAQ Block [ Pro ] 
* Custom CSS [ Pro ] 
* Block Manager 
* Block Style Manager
[ Tools ] 
* Import Export
[ Editing and correction ]
The source code of this plugin is below. 
https://github.com/vektor-inc/vk-blocks

Super Simple Site Alert vs VK Blocks