Wordpress Read Time - Shows you the reading time of your blog post as you write
How Long to Read - Find out how long will it take you to read that book
Weglot - Translate your website instantly, no code required
The Read Time - Calculate read time, speech time, and word count of any piece of text all at once!
Reading Time - Tells you how long an article takes to read
Wordcounter for Google Docs - A real-time word count and milestone markers in Google Docs.