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 **

Automattic

Nick Momrik

Beau Lebens

Tim Moore

Niall Kennedy

Display the latest Tweets from your Twitter accounts inside WordPress widgets. Customize Tweet displays using your site or theme CSS.
Customize the number of tweets displayed. Filter out @replies from your displayed tweets. Optionally include retweets. The widget plugin automatically links usernames, lists, and hashtags mentioned in Tweets to keep your readers on top of the full conversation.

Wickett Twitter Widget

Future upgrades to Wickett Twitter Widget will only be available in Jetpack. Jetpack connects your blog to the WordPress.com cloud, enabling awesome f …

(Un)offical Twitter Widget vs Wickett Twitter Widget