Simplified for Twitter
Simplified for Twitter 1.7 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X was originally designed by Bruno Lemos. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The program is categorized as Internet & Network Tools.
From the developer:
Simplified for Twitter is a browser extension that tweaks the appearance of the Twitter website to make it less distracting. The application hides elements like the right sidebar and make the left menu use less space. This extension tricks Twitter to think the window is smaller, and Twitter adjusts everything by itself.
You may want to check out more Mac applications, such as Twitter, TweetDeck by Twitter or Twitter Scripter, which might be related to Simplified for Twitter.