MC4WP: Mailchimp for WordPress
mailchimp-for-wp
The #1 Mailchimp plugin for WordPress. Allows you to add a multitude of newsletter sign-up methods to your site.
Koko Analytics – Privacy Friendly Statistics for WordPress
koko-analytics
Koko Analytics is a privacy-friendly statistics plugin for WordPress that is an easy to use alternative to Google Analytics.
Boxzilla – Pop-Ups for WordPress
boxzilla
Flexible pop-ups or slide-ins, showing up at just the right time.
Widget Content Blocks
wysiwyg-widgets
Edit widget content using the default WordPress visual editor and media uploading functionality. Create widgets like you would create posts or pages.
MC4WP: Mailchimp Top Bar
mailchimp-top-bar
Adds a Mailchimp opt-in form to the top or bottom of your WordPress site.
Change Username
change-username
Change usernames of your WordPress users effectively.
Social Sharing (by Danny)
dvk-social-sharing
Adds social sharing buttons for Twitter, Facebook and LinkedIn to your blog posts or pages.
MC4WP: WPML Integration
mc4wp-wpml
WPML integration for the Mailchimp for WordPress plugin.
Add Plain-Text Email
add-plain-text-email
Adds a text/plain email to text/html emails to decrease the chance of emails being tagged as spam.
Check plugin security before you install.
Every plugin gets the full treatment — vulnerabilities, code analysis, real-world exposure, and a transparent score breakdown.