Paolo T. (pixline)

A news ticker widget, able to display latest posts as well as remote RSS feed. This widget is written in Unobtrusive Javascript, so this means that it WILL degrade gracefully if users don’t have javascript, allowing them as well as search engines to even index these links.
Based on the wonderful <a href="http://onlinetools.org/tools/domnews/" rel="nofollow ugc">DOMNews 1.0</a> (by Chris Heilmann) and <a href="http://simplepie.org" rel="nofollow ugc">SimplePie RSS-parsing php class</a>
<a href="http://talks.pixline.net/forum/accessible-news-ticker-widget" rel="nofollow ugc">Accessible News Ticker support forum</a>

Accessible News Ticker (ANT)

A news ticker/scroller widget that displays posts and RSS with accessible javascript).

wpshaper

WP Awesome Scrollbar is highly customizable WordPress scrollbar plugin. Features include vertical and horizontal scrollbar.
User can change & modify the color, styles, scrolling system from wordpress admin panel.
View live demo of this plugin <a href="http://www.wpshaper.com/plugins/wp-awesome-scrollbar/" rel="nofollow ugc">DEMO</a>.

WP Awesome Scrollbar

WP Awesome Scrollbar is highly customizable WordPress scrollbar plugin. Features include vertical and horizontal scrollbar.

Accessible News Ticker (ANT) vs WP Awesome Scrollbar