The PKI Framework (PKIF) is a cross-platform library for performing PKIX-compliant certificate processing. It includes support for OCSP, CMS and Timestamps. It uses Windows CAPI, NSS or Crypto++ for cryptographic services and hardware support.

Mailcrypt is an Emacs Lisp package which provides a simple interface to public key cryptography with PGP [and now GnuPG!]. Mailcrypt makes strong cryptography a fully integrated part of your normal mail and news handling environment.

GPGrelay is a small email-relaying server that uses GnuPG (the GNU Privacy Guard) to sign/encrypt (SMTP-Relay) or verify/decrypt (POP3-/IMAP-Relay) emails. This enables many email-clients to send and receive emails that are PGP-MIME conform.

A replacement to traditional syslog daemons. Including cryptographic log protection, mysql, postgresql. Supported on Linux, BSD, Irix, Solaris and AIX.

A project to provide a GUI toolkit to facilitate (and where possible, automate) the breaking of classical (pen-and-paper) cryptosystems. Initial focus is on the cryptanalysis of monoalphabetic substitution ciphers.

“Le Putty” is a ssh suite for Windows based on the very popular Putty project, but with added functionality that can not be included in the regular Putty.”Le Putty” should be as much as possible compatible with the original Putty.

ZipCracker is a program to help users recover files from password protected zip archives.It has a easy to use Gnome User interface.

FreeArc combines best 7-zip and RAR features: auto-selected LZMA/PPMD/Multimedia compression, 1gb dictionary, exe/dict/delta data filters, updatable solid archives, SFXes, recovery record, AES+Twofish+Serpent encryption, Linux support and much more…