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Nitpicker screenshot small.png
Nitpicker secure window manager
Developer Technische Universität Dresden
OS family Unix-like real-time operating systems
Working state Current
Source model Open source
Latest release Demo / March 3, 2006; 9 years ago (2006-03-03)
Available in English
Platforms IA-32
Kernel type Microkernel
Default user interface Graphical user interface (Nitpicker)
License GNU General Public License
Official website demo.tudos.org

TUD:OS is a microkernel based operating system from the Dresden University of Technology. TUD:OS runs on IA-32 machines and offers a desktop interface.


  • A new secure window manager.
  • Multiple virtualized Linux kernels running deprivileged on the L4/Fiasco microkernel.
  • A secure transaction application.
  • Available for free download.
  • Licensed under the GNU General Public License.

External links[edit]