This plugin forbids any user to choose any password from the "common passwords list" obtained from http://www.openwall.
Add custom tooltips automatically for post's content/title/tag/excerpt/gallery/menu, easily add image / video / audio / social/link tooltips
Easily create a glossary, encyclopedia or dictionary of your terms and show responsive tooltips when users hover over the terms.
This plugin provides a possibility to block comments based on words of a predefined list.
Zipfstats provides a widget plotting the frequency each word appears in a post/page and its rank (most frequent->least) against a Zipf distribution …
Actually visits the URL from commenter to spider for spamwords.
This SEO plugin checks the content of posts/pages for the keyword density (single/phrases) while writing and is automatically setting the META-tags.
This SEO-Tool provides a keyword analyzer calculating the keyword density of the page/post content and generating statistics for keywords and phrases.