pop-before-smtp in C is a daemon for use with
Postfix which allows users to authenticate using
POP3 so that they can send email by SMTP. It
currently works with many POP3 daemons.
PTalarms is a library which allows multiple alarm signals to be set up in pthreaded applications. It currently only works with Linux.
A tool for securing DNS communications between a client and a DNS resolver.
A polyhedral extraction tool (PET).