Here is a list of the best Word Press plugins. This list has been made taking into account their need and popularity.

Permalinks Migration Plugin- safely change your permalink structure without breaking the old links to your website or affecting your search engine rankings.

Akismet Spam Comments Plugin- A regular blogger would be knowing how many spam comments they receive each day. Without Akismet it would not be possible to filter spam comments from real comments.

Share This- lets your visitors to add your post to various social bookmarking sites, or send a link via e-mail to a friend.

All in One SEO Pack-To fully optimize your blog for search engines includes Meta Tags for Description, Title, Categories and more.

Popularity Contest- Shows a Popularity percentage score after each post. The percentage is calculated according to a complex algorithm which includes trackbacks, pings, views, traffic and more.

Subscribe To Comments- Allows readers to recieve notifications of new comments that are posted to an entry.

Show Top Commentators- Encourage more discussion from your readers, by displaying their names and number of comments they have made recently to your sidebar.

Google XML Sitemaps Generator- creates a sitemap of all articles on your WordPress blog. Helps Google and other search engines index every article you write.

Any plugin I missed out? Which are your favorites?