All in One SEO Pack
Category SEO Meta Tags
Gregs High Performance SEO
Link Juice Keeper
Meta Tag Manager
Nofollow Links
Platinum SEO Pack
Robots Meta
SEO Love
SEO Meta Tags
SEO No Duplicate
Wordpress Meta Robots
WP SEO Tags


Remove all these and install SEO Ultimate or Wordpress SEO by Yoast, both covers all these plugins.


Auto Tweet
FB Like Button
Network Publisher
Pingler
tli.tl auto Twitter Poster


Remove all these and use online services such as twitterfeed or ping.fm


Visitors Map and Who's Online
Who's Online


Remove all these and use WP-UserOnline, or better yet... use the script from Whos.Amung.us or RadarURL.