fdflush

Flush out-of-date disk buffers

fdflush is a band-aid for floppy (or other) drives with bad disk-change sensing. fdflush makes the system believe the disk-change switch has been triggered forcing the system to discard the buffered data.

filter

program that filters local email via forward/pipe

filter is one of the original mail filtering programs written for UNIX. (originally a part of the 'elm' mailer) Install it via a pipe(|) reference in $HOME/.forward, and let it separate your incoming email into different personal mailboxes.

fbb

Packet radio mailbox and utilities

The fbb package contains software written by f6fbb for setting up a packet radio mailbox. It is intended for amateur radio operators. A short overview of some of the binaries:

fdm

fetching, filtering and delivering emails

fdm is a program to fetch mail and deliver it in various ways depending on a user-supplied ruleset. Mail may be fetched from stdin, IMAP or POP3 servers, or from local maildirs, and filtered based on whether it matches a regexp, its size or age, or the output of a shell command. It can be rewritten by an external process, dropped, left on the server or delivered into maildirs, mboxes, to a file or pipe, or any combination.

queuegraph

a RRDtool frontend for Postfix queue-statistics

Queuegraph is a simple mail statistics RRDtool frontend for Postfix that produces daily, weekly, monthly and yearly graphs of Postfix's active, deferred, incoming and bounce queues.
various contributed plugins for Quod Libet

quodlibet-plugins

various contributed plugins for Quod Libet