DigitalME

This plugin adds a simple WordPress button linking to your Discord server. 
You can set your Discord invite URL once in the Settings page, and use the shortcode anywhere in posts, pages, or blocks.
Features: 
* Shortcode [digitalme_discord_button] to place the button anywhere 
* Global settings page for Discord URL under Settings → Discord Button 
* Fixed text (“Join our Discord!”) and styling 
* Lightweight and fully WP.org compliant

DigitalME Join Button for Discord

A simple shortcode and settings page to display a fixed 'Join our Discord!' button.

noplanman

NOTE: This plugin serves as a mini-plugin until Tsu releases an official public API.
The Tsu plugin adds a widget to place a link to your Tsu profile in your sidebar. Your readers can then easily visit your Tsu profile and use it as your invitation to the network. 
You can optionally add a name to be displayed and choose if a logo should be shown in different sizes.
Translations: 
* English, German & Spanish (<a href="https://www.tsu.co/noplanman" rel="nofollow ugc">Armando Lüscher</a>) 
* Dutch (<a href="http://tsunl.nl" rel="nofollow ugc">Elza van Swieten</a>)

Tsu widget to share your profile / invitation with your readers.

DigitalME Join Button for Discord vs Tsu