pointllist.pl is a fidonet pointlist generator script written in Perl.
uMail is a very simple message box for local systems.
The Exim DSN patch adds delivery status
notification support to Exim 4.xx.
mr is a colorful mailreader. It supports MIME, threading, templates (improved signatures and message banners), character translation tables and lastread pointers. It has menus, on-line help, and a built-in editor.
Topdrop is a mail delivery agent for maildir which can be used in combination with sendmail or any other MTA that allows external mail delivery agents.
SpamBack sends spam back to its originator and adds the spammer to
your list of blocked addresses. It can also email the spammer's
An full text search engine and column store..
Tools for working with the Heidelberg MCTDH package.