Cryptographic Software

A

AbsoluteTelnet
AlphaCom
AxCrypt

B

BackupHDDVD
BestCrypt
BitLocker Drive Encryption
BitWise IM
Bitfrost
Bouncy castle (cryptography)

C

CAPICOM
Cain (software)
Chaos Mash
CipherSaber
Comparison of SSH clients
Comparison of VoIP software
Conch (SSH)
Corkscrew (program)
CrossCrypt
CryptArchiver
Cryptlib
Crypto API
CryptoBuddy
CryptoGraf
CryptoHeaven
Cryptographic Application Programming Interface
Cryptoloop
Cryptomail
Cryptool
Cryptophane (software)

D

Data protection API
DeCSS
Degree of anonymity
Disk encryption software
Dm-crypt
Dropbear (software)

E

E4M
ESSH Client
Encrypting File System
Encryption Anywhere Hard Disk
Encryption software
Enigform
Enigmail

F

FileFortress
FileVault
FreeLIP
FreeOTFE

G

GNU Privacy Guard
GnuTLS
Gpg4win

H

Hushmail

J

Java Cryptography Architecture
John the Ripper

K

KeePass

L

Libdvdcss
Linux Unified Key Setup
List of SFTP servers

M

MaruTukku
Mcrypt
Mean Shortest Distance
Mod auth openpgp

N

Nautilus (secure telephone)

O

OTFE
OTPW
Off-the-Record Messaging
OpenBSD
OpenCA
OpenSSH
OpenSSL
Opportunistic encryption

P

PGP Virtual Disk
PGPDisk
PGPfone
POSSE project
Password Safe
Pretty Good Privacy
Private Disk
PuTTY

Q

Qrpff

S

S/KEY
SFTPPlus
SYSKEY
Scramdisk
Secure Shell
Secure copy
SecureIM
Sentry 2020
Ssh-agent
Stunnel

T

TPMkit
Tera Term
Tinfoil Hat Linux
Tor (anonymity network)
TrueCrypt
Twinkle (software)

V

ViPNet Safe Disk

W

WinPT
WinSCP

Z

Zfone