GNU Mailman

Written inMostly Python, some COperating systemUnix-likeAvailable inMany languagesTypeMailing list management softwareLicense3: GPL-3.0-or-later
2: GPL-2.0-or-laterWebsitewww.list.orgRepository

GNU Mailman is a computer software application from the GNU Project for managing electronic mailing lists. Mailman is coded primarily in Python and currently maintained by Abhilash Raj. Mailman is free software, licensed under the GNU General Public License.