Multtiple is a Adobe AIR application, a social network client for Twitter and Tumblr. You will be able to view all the information from your entire timeline.
"Column mode" that shows the multiple timelines on the screen, and "Tab mode" that shows the one timeline on the screen and be possible to switch by tab - You can swich the mode anytime for your style.

Requirements:
* Adobe AIR
* Internet connection
* Twitter account
* Tumblr account

The license of this software is Freeware, you can free download and free use this blog software.