List of mailing list software

This is a list of notable electronic mailing list software, which facilitate the widespread distribution of email to many Internet users.

Name	Initial release	Latest stable release	Latest release date	Written in	Licenses
Dada Mail	2000-01	11.22.0[1]	2023-09-18[±]	Perl	GNU GPL
Discourse	2013	3.4.7[2]	2025-07-29; 16 days ago[±]	Ruby	GNU GPLv2 +
ezmlm-idx	1997-06-15[3]	7.2.2[4]	2014-05-15	C	GNU GPLv2
GNU Mailman	1999-07-30[5]	3.3.10[6]	2024-10-01[±]	Python, some C	GNU GPLv2 +
GroupServer	2005	16.04[7]	2016-03-01	Python, some C	GNU GPL
LISTSERV	1986	17.5[8]	2024-11-20	?	Proprietary
Majordomo	1992-06	1.94.5[9]	2000-01-19	Perl	Majordomo License Agreement
mlmmj	2004-04	1.6.0	2025-06-13[10]	C	MIT license
phpList	2000-03[11]	3.6.16[12]	2025-05-26[±]	PHP	AGPL
Sympa	1997-04-01	6.2.76[13]	2025-02-04; 6 months ago[±]	Perl, some C	GNU GPL
Systems listed on a light purple background are no longer in active development