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.
Systems listed on a light purple background are no longer in active development.
| 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 | 7.2.2 | 2014-05-15 | C | GNU GPLv2 + |
| GNU Mailman | 1999-07-30 | Python, some C | GNU GPLv2 + | ||
| GroupServer | 2005 | 16.04 | 2016-03-01 | Python, some C | GNU GPL |
| LISTSERV | 1986 | 16.5 | 2019-07-09 | proprietary | |
| Majordomo | 1992-06 | 1.94.5 | 2000-01-19 | Perl | |
| Organic Groups Mailing List | 2010-04-12 | 7.x-1.1.alpha2 | 2014-04-06 | PHP | GNU GPL |
| phpList | 2000-03 | PHP | AGPL | ||
| Sympa | 1997-04-01 | 6.2.48 | 2019-09-29 | Perl, some C | GNU GPL |