Update README.md

README.md

@@ -12,7 +12,8 @@ The desktop environment on the compute node *alien-one* is accessible
 through VNC protocol. Any VNC viewer can be used. If in doubt, try the
 cross-platform TigerVNC viewer [available from here for
 Windows](https://bintray.com/tigervnc/stable/download_file?file_path=vncviewer-1.11.0.exe),
-or as a package from your GNU/Linux distribution.
+or as a package from your GNU/Linux distribution. If you are neither on GNU/Linux, nor on Windows,
+[here is the Java version of the viewer](https://bintray.com/tigervnc/stable/download_file?file_path=VncViewer-1.11.0.jar).