This page shows you the IPFire version in the first place.
The next part lists all people, which contribute to the IPFire project (Developers, Sponsors, Testers and Supporters etc.)
You can also read a copy of the License under which IPFire is distributed (GPLv3).
Every Open Source project lives on donations, IPFire is no exception.
The team of IPFire appreciates even the smallest donation. All major payment options are accepted. If you like to make a referral would apply please
Here, all individuals are listed, currently involved in the project IPFire. (Developers, sponsors, testers, supporters, etc.).
Here, the GNU General Public License V3 IPFire under which the project runs to be read.