Plugins

Convert twitter usernames, hashtags and lists in pages, posts or comments to a twitter link.

Twitter Home Time line, Displays latest tweets just like the home page after you login to twitter using twitteroauth

Host Twitter images from your blog and keep your traffic, rather than using a service like Twitpic and losing your viewers.

Lets the user twitter your blogpost easy - with short-url support.

Add tweets about a certain word, in certain language and from a specific user on your sidebar

Converts Twitter usernames mentioned in comments (eg. @mattfreedman) with a link to the mentioned user's Twitter profile page.

A plugin to make linking to Twitter users easier with shortcodes.

Creates a shortcode you can use to embed a Twitter List.

This plugin allows to place widgets on your sidebars, that fetch the contents of one or more RSS feeds, combine them by date if there is more than one …

Show tweets about your posts right under them.