Psad is a collection of three lightweight system daemons (two main daemons and one helper daemon) that run on Linux machines and analyze iptables log messages to detect port scans and other suspicious traffic.
IIP (Invisible IRC Project) to oprogramowanie zapewniające prywatność użytkownikom Internet Relay Chat. Działa jak proxy między twoim klientem IRC a serwerami, używając szyfrowanego kanału z symulowanym ruchem oraz trójwarstwową ochroną (user, relay i broadcast).
Keyring lets you securely store digital secret keys on your Palm handheld computer. This information might include computer account passwords, credit card or banking numbers, GnuPG passphrases, or OPIE pads. (Previously "GNU Keyring for PalmOS".)
authfail is a tool for adding IP addresses to an ACL when entities from those addresses attempt to log into a system, but cause authentication failures in auth.log.