Paid Plugin
Scrollsequence – Cinematic Scroll Animation for WordPress
Scrollsequence allows you to create on-scroll full page image animations that are controlled with mousewheel or touch.
Free
Google Analytics Opt-Out WordPress Plugin Review
Google Analytics opt-out browser add-on is the most prominent one developed for the Google Analytics JavaScript.
Free
Sponsors Carousel
This is a very simple yet effective plugin developed to give the most without burdening the admin with a lot of work or the website with many banners and maintenance issues.