There are hundreds of WordPress plugins related to Twitter. But now you have an official Twitter WordPress plugin. This plugins aims to offer a deep integration of Twitter in your WordPress website.
Twitter WordPress plugin lets you easily add sharing buttons, embed tweet, add twitter cards, twitter analytics, follow buttons and Twitter ads conversion tracking. Most of the features of the plugin are already available in third-party plugins available for Twitter. If you use any other WordPress plugin for integrating Twitter and are happy, then there is no need to switch to this plugin. But there is no problem in trying this plugin. If you do not use any plugin for Twitter, you can try this.
In just few hours, Twitter WordPress plugin has already received more than 158000 downloads.