MHonArc is a Perl program for converting mail or news messages into
HTML archives. It can also be used to convert individual messages
into HTML documents. Other capabilities include robust MIME support
and powerful user customization features.

This is a web archiver for the mlmmj mailing list software.

Rspamd is an advanced spam filtering system that allows evaluation of messages
by a number of rules including regular expressions, statistical analysis and
custom services such as URL black lists. Each message is analysed by rspamd and
given a `spam score`.

According to this spam score and the user's settings rspamd recommends an
action for the MTA to apply to the message- for example to pass, reject or add
a header. Rspamd is designed to process hundreds of messages per second
simultaneously and has a number of features available.

All-in-one Mail & Collaboration server.
It supports a number of protocols, including
IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV.

A schema-driven command line tool for administering Stalwart Mail and
Collaboration Server over its JMAP API.

The tool fetches the server's schema on first use and derives every command,
validation rule, and rendered view from it. The same binary works against any
compatible Stalwart deployment without recompilation.

Paperless-ngx is a community-supported open-source document management system that transforms your physical documents into a searchable online archive so you can keep, well, less paper.

bfs is a variant of the UNIX find command that operates breadth-first rather than depth-first. It is otherwise compatible with many versions of find.

Half of our life is spent on navigation: files, lines, commands… You need skim!
It is a general fuzzy finder that saves you time.

Tmate is a fork of tmux providing an instant pairing solution.

zoxide is a smarter cd command, inspired by z and autojump. It remembers which directories you use most frequently, so you can "jump" to them in just a few keystrokes.