Alsvin Tech

This plugin allows you to display different kind of notifications to your site users, or show special information or alert messages on any specific page/post/product.
Features:
<ul>
<li>Display site wide notices</li>
<li>Display notices on any specific page/post/product</li>
<li>Choose from any four pre-defined color schemes/notification types</li>
<li>Extremely customizable, set your own color, icon, title and message</li>
<li>Display notices on six screen positions</li>
<li>Two animation styles</li>
<li>Instantly preview notices, to see how it looks on front-end</li>
<li>Easily customizable through CSS</li>
</ul>

Site Notices WP

Show notices, alert, popup, info messages on your WordPress site easily. Choose where to display notice on any single page/post/product or on complete …

softaculous

CookieAdmin is a Lightweight, Bloat-free & easy to use Cookie consent banner plugin which allows you to display a personalized banner on your website for your visitors to choose which cookies they would like to use.
Admins can customize the UI of the consent banner for the frontend to match with their website / brand identity.
CookieAdmin supports categorization of cookies and scanning of cookies used on their website. Users can choose to Accept All, Reject All or choose cookies categories to be loaded.
Free Features :
<ul>
<li>Customizable Consent Form</li>
<li>Preview Consent Form from admin panel</li>
<li>Anonymized User IP</li>
<li>Basic Cookie Scanning</li>
<li>Categorized cookies list for users</li>
<li>GDPR & US State Laws support</li>
<li>ADA, EAA & WCAG Compliant</li>
</ul>
Pro Features :
<ul>
<li>Advanced Cookie Scanning</li>
<li>Google Consent Mode v2</li>
<li>User Country Detection</li>
<li>Multilingual – 17 Languages supported</li>
<li>Consent Logs</li>
<li>Export Consent Logs</li>
<li>Global Privacy Control(GPC)</li>
<li>Shortcode [/] Examples below :</li>
<li>Shortcode to render all cookies in tabular format : 
[cookieadmin_render]</li>
<li>Shortcode to render cookies from selected categories in tabular format : 
[cookieadmin_render categories=”functional,analytics,marketing”]</li>
</ul>
Supported Languages (requires pro) :
<ul>
<li>English</li>
<li>Bulgarian</li>
<li>Chinese</li>
<li>Czech</li>
<li>Dutch</li>
<li>French</li>
<li>German</li>
<li>German Formal</li>
<li>Hungarian</li>
<li>Italian</li>
<li>Japanese</li>
<li>Polish</li>
<li>Portuguese</li>
<li>Portuguese Brazilian</li>
<li>Romanian</li>
<li>Russian</li>
<li>Slovak</li>
<li>Spanish</li>
<li>Turkish</li>
<li>Canadian French</li>
<li>Lithuanian</li>
</ul>

CookieAdmin – Cookie Consent Banner

CookieAdmin provides easy to configure cookie consent banner with GDPR and CCPA law support.

Site Notices WP vs CookieAdmin – Cookie Consent Banner