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.
File system investigator to narzędzie do analizy powłamaniowej służące do oglądania systemów plików. Jest napisane w całości w Javie, więc jest niezależne od platformy. Pozwala na oglądanie ReiserFS oraz EXT2/3.
TkPGP intends to completely eliminate need to access command- line interface of PGP for UNIX. Currently most of casual activity such as signing, encrypting and decrypting is done in GUI. Key management remains a domain of command line for the time being.
pyCA tries to make it easier for people to set up and run a organizational certificate authority which fulfills the need for a fairly secure certification processing.