OSfinder is distributed under the GNU General Public License. The latest version of OSfinder can be downloaded from here (OSfinder v1.4).
Installation from source code requires a c++ compiler (our makefile assumes that you have a g++). To install OSfinder, type the following commands.
% tar -zxvf osfinder_v*_*.tar.gz
% cd osfinder_v*_*/src/
% cp osfinder /usr/local/bin/
## may require superuser privileges
If successfully installed, a binary file named "osfinder" is created.