thebluecube

This plugin is intended to be useful more for developers than other types of users.
Have you ever had a client who likes to be able to independently update the content of the emails that your code is sending out programmatically? If so, this plugin might help you make your client happy.
How to use:
When you activate the plugin, it adds a custom post type to your website called “Email Templates”. You can create your templates using this custom post type. Templates can contain placeholders for your code to fill them up with desired values. A placeholder sample would be {USERNAME} or {USER_EMAIL}. Please note, placeholders should not contain lowercase letters.
This plugin creates a global instance of the BlueCube\Email_Template class which is called $bluecube_email_template. Once you have created a template, you can use the sendEmail() method of the instance to send out your emails.
<pre><code>$email_args = array(
 'template_title' => 'your-template-title',
 'to' => $email,
 'variables' => array('username' => 'JohnDoe', 'user_email' => 'test@test.com'),
);
$bluecube_email_template->sendEmail($email_args);
</code></pre>

Blue Cube Email Templates

This plugin provides an email template system for developers to send programmatic emails which their clients can easily update the emails content.

Hannes Etzelstorfer

codemiq

Custom designed WordPress emails for your WooCommerce and EDD transactional emails, contact form notifications, your WordPress core emails, BuddyPress and many more. 
Create your own professional email design within a few minutes without any coding.
<h4>NEW in 3.4: WooCommerce support in free version!!</h4>
<h3>See how we design our WordPress emails within two and a half minutes</h3>
<iframe loading="lazy" title="WP HTML Mail – WordPress email designer v3" width="750" height="422" src="https://www.youtube.com/embed/h-bFpPqkAzk?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
<h3>🔝 Top rated email design plugin with 75 ⭐⭐⭐⭐⭐ reviews</h3>
<h4>Read what users say about our email template plugin</h4>
<blockquote>
⭐⭐⭐⭐⭐ Best Email Template Builder 
 🗣️ tillvb (@tillvb)
⭐⭐⭐⭐⭐ Simple, flexible and very needed on WP! 
 🗣️ Richard Fila (@richardfila)
⭐⭐⭐⭐⭐ Works great and is easy to use 
 Great plugin! Great support! Thank you very much! 
 🗣️ hirsala (@hirsala)
⭐⭐⭐⭐⭐ On my Plugins’ Top List 
 🗣️ Anticosti (@anticosti)
⭐⭐⭐⭐⭐ This is magic and should be default in WP! 
 🗣️ MarcelC (@imc67)
</blockquote>
<h3>All in one email designer for your contact forms, WooCommerce, Easy Digital Downloads and many more…</h3>
🆓 Elementor Forms 
🆓 WooCommerce – basic customization 
🆓 Ninja Forms 
🆓 Caldera Forms 
🆓 Contact Form 7 
🆓 Gravity Forms 
🆓 Gravity Flow 
🆓 HappyForms 
🆓 WP Support Plus Responsive Ticket System 
🆓 Birthday Emails 
🆓 Ultimate WP Mail 
🆓 Divi Theme contact forms 
🆓 <a href="https://wordpress.org/plugins/wp-html-mail-buddypress/" rel="ugc">BuddyPress</a> 
🆓 <a href="https://wordpress.org/plugins/wp-html-mail-give/" rel="ugc">Give – Donation and Fundraising</a> 
🆓 TeraWallet 
🆓 WP E-Commerce 
🆓 Formidable Forms 
🆓 WP Foro 
🆓 ACF Advanced Forms 
🆓 Elementor Forms 
🆓 Events Made Easy 
🆓 Learndash Notifications 
🆓 Matador Jobs 
🆓 Memberpress 
🆓 Modern Events Calendar 
🆓 Uncanny Owl Groups 
🆓 ShieldSecurity 
🆓 The Newsletter Plugin 
➕ <a href="https://wordpress-plugins.codemiq.com/en/downloads/wp-html-mail-wpforms/" rel="nofollow ugc">WPForms and WPForms Lite</a> 
➕ <a href="https://wordpress-plugins.codemiq.com/en/downloads/wp-html-mail-woocommerce/" rel="nofollow ugc">WooCommerce – advanced customization</a> 
➕ <a href="https://wordpress-plugins.codemiq.com/en/downloads/wp-html-mail-easy-digital-downloads/" rel="nofollow ugc">Easy Digital Downloads</a> 
…
<ul>
<li>Responsive & Device independent: 
Our e-mail template has been tested in all major desktop, web and mobile mailclients. </li>
<li>Template library: 
Start your email design with one of our templates created by professional designer</li>
<li>Text or image header: 
Either style your email header with colors and text, use your logo or design a banner.</li>
<li>Customize colors and fonts: 
Different plugins send different emails but you can define global color and font settings for headlines, text, links and more to give all your emails a common professional look.</li>
<li>Add your companies legal information to the footer: 
The email footer can contain links to your legal pages, your contact data or whatever you want. </li>
<li>Inline CSS: 
Webclients do not override your styles, because we move all style definitions to inline styles.</li>
<li>Email test mode: 
Redirect all emails to your own email address for testing or for your staging system.</li>
<li>Live Preview: 
See all your changes immediately in the live preview.</li>
</ul>
<h3>★★★★★ pro addon WooCommerce Drag & Drop Email Customizer</h3>
trusted by more than 2000 pro users
Use our <a href="https://wordpress-plugins.codemiq.com/en/downloads/wp-html-mail-woocommerce/" rel="nofollow ugc">WooCommerce email customizer addon</a> to customize all your store emails. For all standard emails you can also edit the email content as well as the products table. 
Most emails from third party WooCommerce plugins can be styled and for some of them we created special integrations:
<ul>
<li>Barcodes from YITH WooCommerce Bar Codes and QR Codes can be placed anywhere in your Emails</li>
<li>You can change emails from WooCommerce Order Status Manager</li>
<li>Insert custom checkout fields to your emails with <a href="https://wordpress.org/plugins/woo-checkout-field-editor-pro/" rel="ugc">Checkout Field Editor</a></li>
<li>WooCommerce German Market is fully integrated</li>
<li>With AutomateWoo you can use your email template for your abandoned cart mails and other automated emails</li>
<li><a href="https://wordpress.org/plugins/woo-advanced-shipment-tracking/" rel="ugc">WooCommerce Advanced Shipment Tracking</a> 
You can try the plugin in <a href="https://wp-html-mail-woocommerce-demo.codemiq.com/" rel="nofollow ugc">our WooCommerce Demo</a>.</li>
<li>WooCommerce Germanized and Germanized Pro are integrated</li>
</ul>
<a href="https://wordpress-plugins.codemiq.com/en/plugins/wp-html-mail-woocommerce/" rel="nofollow ugc">get WooCommerce Email Customizer ></a>
<h4>Easy Digital Downloads Email Customizer</h4>
Our second ecommerce extension is for Easy Digital Downloads. Using this simple add-on you can
<ul>
<li>customize typography for items, variations and links</li>
<li>format the products table</li>
<li>see a preview of your EDD emails in desktop and mobile view</li>
</ul>
<a href="https://wordpress-plugins.codemiq.com/de/plugins/wp-html-mail-easy-digital-downloads/" rel="nofollow ugc">get Easy Digital Downloads Email Customizer ></a>
<iframe loading="lazy" title="WP HTML Mail - Email Templates for WordPress" width="750" height="422" src="https://www.youtube.com/embed/RV8vUNCWOZw?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
<a href="https://wordpress-plugins.codemiq.com/en/plugins/wp-html-mail-email-templates/" rel="nofollow ugc">more about WP HTML Mail</a>
<h4>Works with most email delivery plugins</h4>
<ul>
<li><a href="https://aff.deliciousbrains.com/idevaffiliate.php?id=21298_4_3_3" rel="nofollow ugc">WP Offload SES</a></li>
<li><a href="https://wordpress.org/plugins/post-smtp/" rel="ugc">Post SMTP Mailer/Email Log</a></li>
<li>WP Mail SMTP</li>
<li>wpMandrill</li>
<li>…</li>
</ul>
<h4>Credits</h4>
<ul>
<li>Thanks to Julie Ng for the great “Antwort” responsive email layout <a href="https://github.com/InterNations/antwort" rel="nofollow ugc">Antwort on Github</a></li>
<li>Thanks to Tijs Verkoyen for his CSS-to-inline-styles PHP library <a href="https://github.com/tijsverkoyen/CssToInlineStyles" rel="nofollow ugc">CssToInlineStyles on Github</a></li>
</ul>
<h4>Translations</h4>
The plugin is currently available in following languages
<ul>
<li>English (of course)</li>
<li>German</li>
<li>Spanish translation provided by <a href="https://profiles.wordpress.org/jmbescos" rel="nofollow ugc">Jose</a> from <a href="http://www.ibidem-translations.com" rel="nofollow ugc">Ibidem Translations</a></li>
<li>Italian translation provided by <a href="https://profiles.wordpress.org/gablau/" rel="nofollow ugc">@gablau</a> and Ema from <a href="http://www.ibidem-traduzioni.com" rel="nofollow ugc">Ibidem Traduzioni</a></li>
<li>Dutch</li>
<li>Chinese</li>
<li>Persian</li>
</ul>

Email Template Designer – WP HTML Mail

Thank you for this simple yet effective plugin! I had a bit of trouble to understand where to define the header image and was starting to think it was a premium option or so, but then I finally noticed the edit email header component when moving the mouse over the container. Also, the feature to download the template and edit the HTML and CSS directly is great. Well done!

Simple but effective!

All in one email template designer for WooCommerce, Ninja Forms, Elementor Forms, Gravity Forms, CF7, Support Plus, EDD, ...

Blue Cube Email Templates vs Email Template Designer – WP HTML Mail