JUVOJustin

With JUVO Mail Editor you can edit emails in Gutenberg Editor. By using placeholders, the emails become dynamic and get a dynamic touch.
Simply create a mailing and connect it to the desired trigger. Triggers are either predefined or can be defined by plugin authors.
For more information about placeholders, triggers and extensibility of the plugin check out the <a href="https://github.com/JUVOJustin/juvo-mail-editor/wiki" rel="nofollow ugc">GitHub Wiki</a>.
<h3>Current Features</h3>
<ul>
<li>Perfectly integrates into the WordPress Mailing System</li>
<li>Extensive filter system allows to modify nearly everything</li>
<li>Uses default Gutenberg blocks to style mail content</li>
<li>Use global or trigger specific placeholders to make your mails dynamic</li>
<li>Seamless integration to any mail styling plugin – even buddyboss.</li>
<li>Multilanguage support</li>
<li>Set CC, BCC and Attachments for mails</li>
</ul>

JUVO Mail Editor

JUVO Mail Editor helps to modify the standard WordPress Mailings and allows adding dynamic mail triggers.

lucdecri

wp_helper have 4 distinct plugin.
<ul>
<li>posttype_helper</li>
<li>taxonomy_helper</li>
<li>attachment_helper</li>
<li>adminpage_helper</li>
</ul>
each provides additional features that allow you to simplify the development of new posttype, new taxonomies, new pages and menu administrator, etc.
Detailed list of additional function is coming soon
You must check if wp_helper is actived before active your plugin, with similar code : {{{
if (defined(‘WP_HELPER’)) { 
 // your code here } else { // if defined(WP_HELPER) add_action(‘admin_notices’, ‘myplugin_noframework_notice’); }
function myplugin_noframework_notice(){ global $pagenow; if ( $pagenow == ‘plugins.php’ ) { echo ‘
To activate this plugin you must install and activate WP HELPER plugin .
‘; } }
}}}

WP Helper

It provides additional functions and feature that allow you to simplify the development in your plugin  new posttype, new taxonomies, new pages and me …

JUVO Mail Editor vs WP Helper