artesea

Allows simple integration between your sidebar widgets and the official twitter widget 
** THIS WIDGET WILL STOP WORKING AFTER MAY 7TH 2013 ** 
This is when Twitter stop unauthenticated calls to their API, and block the old 
widgets. https://dev.twitter.com/blog/api-v1-retirement-final-dates 
This plugin won’t support the new Twitter Widget. 
For more information about them please visit: https://twitter.com/settings/widgets

(Un)offical Twitter Widget

Allows simple integration between your sidebar widgets and the official twitter widget ** THIS WIDGET WILL STOP WORKING AFTER MAY 7TH 2013 **

Aaron D. Campbell

A widget that properly handles twitter feeds, including parsing @username, #hashtag, and URLs into links. It supports displaying profiles images, and even lets you control whether to display the time and date of a tweet or how log ago it happened (about 5 hours ago, etc).
<a href="http://aarondcampbell.com/wordpress-plugin/twitter-widget-pro/" rel="nofollow ugc">Twitter Widget Pro</a>

Twitter Widget Pro

A widget that properly handles twitter feeds, including parsing @username, #hashtags, and URLs into links.

(Un)offical Twitter Widget vs Twitter Widget Pro