Wordpress Read Time - Shows you the reading time of your blog post as you write
YoruFukurou - YoruFukurou (NightOwl) is a Twitter client for Mac OS X, designed for Twitter addicts.
How Long to Read - Find out how long will it take you to read that book
Talon for Twitter - Elegantly designed, ad-free Twitter experience for Android
The Read Time - Calculate read time, speech time, and word count of any piece of text all at once!
Echofon for Twitter - Download Echofon apk 3.1.3.3 for Android. Echofon for Android - A super clean Twitter app