I found the TwiiterBox project in maemo garage - https://garage.maemo.org/projects/twitterbox/

The project description is:
TwitterBox is a twitter client developed for Maemo 5 using Qt/C++. Combining great usability and excellent graphics, we managed to achieve an amazing user experience.

* Development Status: 3 - Alpha
* Environment: Maemo
* Intended Audience: End Users/Desktop
* License: GNU General Public License (GPL)
* Natural Language: English
* Programming Language: C++
* Topic: Communications, Internet

Has someone any news about it? tested?