nomacs is a free image viewer for windows, linux and mac, which is licensed under the GNU Public License v3. nomacs is small, fast and able to handle the most common image formats including RAW images. Additionally it is possible to synchronize multiple viewers. Simple image editing tasks include image conversion, resizing and cropping.

The software is written in C++ and uses Qt which allows for a platform independent user interface.

Members: Markus Diem, Stefan Fiel, Florian Kleber