Alec Rust

Improve and simplify your marketing automation by connecting WooCommerce purchases to <a href="https://www.brevo.com/" rel="nofollow ugc">Brevo</a>.
Set default Brevo lists that customers are added to when they buy a product, and/or set lists for specific products.
This plugin can help with Brevo automations by reliably adding customers to Brevo lists based on the products they purchase.
Features include:
<ul>
<li>Add customers to specific Brevo lists based on products they buy</li>
<li>Add customers to default Brevo lists when they buy any product</li>
<li>Select when during checkout the customer is added to Brevo</li>
<li>Contacts created in Brevo include <a href="https://help.brevo.com/hc/en-us/articles/10635646979218-Create-and-manage-transactional-attributes" rel="nofollow ugc">transactional attributes</a></li>
<li>Optional logging included to help debug any issues</li>
</ul>
This plugin is not affiliated with Brevo. It’s open source, and contributions are welcome <a href="https://github.com/AlecRust/brevwoo" rel="nofollow ugc">on GitHub</a>.

BrevWoo

Add WooCommerce customers to Brevo on product purchase.

Sagar Giri

Contact Form 7 is the most popular WordPress contact form builder and Contact Form to Brevo developed as addon of Contact Form 7, helps to extend your subscription lists and collect unlimited leads .You can easily add your contacts in Brevo when your contact form is submitted.
<h3>Features</h3>
Adds subscription in “Brevo” through “Contact Form 7” 
Option to select “Brevo” list ID for subscribers 
Option to select “Contact Form 7” fields for “Brevo” list 
Constant updates

Contact Form to Brevo

Add Contact Form 7 Data to Brevo Contact lists.

BrevWoo vs Contact Form to Brevo