Schleuder is a group's email-gateway: subscribers can exchange encrypted emails among themselves, receive emails from non-subscribers and send emails to non-subscribers via the list. (Please note: For some platforms there's a better way of installing Schleuder than `gem install`. See <https://schleuder.org/schleuder/docs/server-admins.html#installation> for details.)
Schleuder Gitlab Ticketing combines a schleuder list with the issue tracker of a gitlab project and operates as a state tracker of threads on the list. This allows one to keep an overview on the state of various requests on a help desk powered by schleuder
Schleuder-cli enables creating, configuring, and deleting schleuder-lists, subscriptions, keys, etc.