FreeOTFE is a Free On The Fly Encryption tool that can be used for Portable USB Encryption. The tool can be used to create encrypted volumes, virtual disks or entire partitions using AES, Blowfish, Serpent, Twofish encryption algorithms. Volumes Encrypted by FreeOTFE may be file, partition, or disk based and will remain hidden until mounted and accessed via your password by the tool.
Remora USB Disk Guard is a free portable file encryption tool designed to encrypt files and folders on your USB flash drive or local hard disk. This portable application can be stored and run directly from any flash drive or portable storage device, requiring absolutely no installation.
nPassword is another portable password storage tool that can be used to encrypt and securely store your passwords. It claims to be even more secure than it's competitors. It uses 256bit AES encryption technology.
Omziff is a FREE Portable Encryption utility that utilizes common cryptographic algorithms to both encrypt and decrypt textual file types. Omziff can generate random passwords, splits files, and perform secure (DOD) file deletion as well. This tool uses Blowfish, Cast128, Gost, IDEA, Misty1, AES/Rijndael, and Twofish encryption algorithms. This Portable encryption tool requires roughly 356KB of free disk space for installation.
Koma Mail is a free portable e-mail client. It supports multiple user accounts, IMAP, POP3, SMAP, WebDAV, encryption via SSL, spam filter, built in RSS feed reader, calendar, html editor, inline images, attachments, contact manager and much more.
