sicone

Wordfence Security - Anti-virus and Firewall security plugin for WordPress
http://www.wordfence.com/
http://wordpress.org/extend/plugins/wordfence/

After The Deadline - a contextual spell, style, and grammar checker for posts with text (More than a few words). Is also availaible as a firefox and chrome add-on This plugin is now packaged and updated through the jetpack plugin but can still be downloaded and installed separate.
http://www.afterthedeadline.com/
http://wordpress.org/extend/plugins/after-the-deadline/
Jetpack - http://wordpress.org/extend/plugins/jetpack/


I like this one a lot too

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