Wibiya (LIVE DEMO AT BOTTOM):
Wibiya is a toolbar that enables blogs to integrate the most exciting services, applications and widgets of their choice into their blog through customized web-based toolbars.
Wibiya platform offers a one-stop solution for integrating, managing and tracking third-party applications.
Currently it offer a fixed set of tools such as creating a blog community via facebook connect,
enabling twitter alerts on your blog and enabling post navigation but there is a lot to wait for as we will be adding more and more application through time.
In simple words wibiya is a bottom bar which remains in your blog/website.
The bar is a semi-transparent overlay on your site which is home to a number of application or buttons. You can choose which buttons you want to use. Most are for your readers to find or share contents of your site easier or connect your readers with each other or you as the author. - Makeuseof.com
Following applications you can customize/add in wibiya
1. Blog search
2. Translate current page with Google Translater
3. Recent posts
4. Random post
6. Subscribe to RSS
7. Share with Social bookmarking sites
8. Facebook Connect
9. Twitter console
You can switch on of these applications according to your needs.
official site : wibiya.com