1.3. Is GNU Mailman free?

Yes. It is free in two senses: it costs nothing to download, install, or use. And it is Free Software, meaning you can change it and redistribute the changes, as long as you adhere to its license.

Mailman is part of the GNU Project, and is covered by the GNU General Public License. For details see:

The Free Software Foundation: http://www.fsf.org

The GNU Project: http://www.gnu.org/gnu/the-gnu-project.html

The GNU General Public License: http://www.gnu.org/licenses/gpl.html

The Mailman pages at gnu.org: http://www.gnu.org/directory/mailman.html

Converted from the Mailman FAQ Wizard

This is one of many Frequently Asked Questions.