List of mailing list software explained

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			Perl	GNU GPL
	Discourse	2013			Ruby	GNU GPLv2 +
	ezmlm-idx	1997-06-15^[1]	7.2.2^[2]	2014-05-15	C	GNU GPLv2
	GNU Mailman	1999-07-30^[3]			Python, some C	GNU GPLv2 +
	GroupServer	2005	16.04^[4]	2016-03-01	Python, some C	GNU GPL
	LISTSERV	1986	17.0^[5]	2019-07-09
	Majordomo	1992-06	1.94.5^[6]	2000-01-19	Perl	Majordomo License Agreement
	phpList	2000-03^[7]			PHP	AGPL
	Sympa	1997-04-01			Perl, some C	GNU GPL

Systems listed on a light purple background are no longer in active development.

Notes and References

1. Web site: HISTORY . untroubled.org . 30 June 2016.
2. Web site: Archive . untroubled.org . 29 November 2015.
3. Mailman 1.0 . Barry A. . Warsaw . 30 July 1999 . 2008-12-09 . mailman-announce .
4. Web site: GroupServer 16.04 — Pastis proffered politely — GroupServer 16.04 documentation. 2020-09-28. groupserver.readthedocs.io.
5. Web site: L-Soft. New in LISTSERV 17.0. 2020-11-27. L-Soft. en.
6. http://www.greatcircle.com/majordomo/
7. http://www.phplist.com/files/changelog Changelog for phplist