.NET VNC Viewer is a tiny VNC viewer, is pretty straight forward, but there are some features that are not so obvious; for example to exit full screen mode on a desktop, "tap-and-hold" your right mouse button. A context menu will appear that let you go back to window mode.
.NET VNC Viewer Features:
1. Basic VNC viewer functionalities.
2. Full screen mode.
3. Screen rotation.
4. Client-side scaling.
5. Server-side scaling and single window mode.
6. Session history.
7. Listen mode.

The license of this software is Free, you can free download and free use this system utility software.