License: <span>GPL-3.0</span>

R

Roundcube GPL-3.0 Webmail Clients Web v1.7.5 … ★ 7,257

S

Schleuder GPL-3.0 Email Lists

P

Postorius GPL-3.0 Email Lists

M

Mautic GPL-3.0 Email Lists Web v7.2.2 … ★ 10,939

M

Mailman GPL-3.0 Email Lists

H

HyperKitty GPL-3.0 Email Lists

E

Exim GPL-3.0 Mail Transfer Agents … ★ 785

E

EmailRelay GPL-3.0 Mail Transfer Agents … ★ 7

C

Courier MTA GPL-3.0 Mail Transfer Agents

S

Simple NixOS Mailserver GPL-3.0 Email Servers v2.3.0 … ★ 321