Social Source Commons

The BCArchive software is designed to compress a group of files/folders to a single encrypted file.

An email encryption tool that is easy to use.

GSMK CryptoPhones are the first and only fully trustworthy solution for completely confidential mobile phone calls

dm-crypt is such a device-mapper target that provides transparent encryption of block devices using the new Linux 2.6 cryptoapi. The user can basically specify one of the symmetric ciphers, a key (of any allowed size), an iv generation mode and then he can create a new block device in /dev. Writes to this device will be encrypted and reads decrypted. You can mount your filesystem on it as usual

Enigmail is an extension to the mail client of Mozilla / Netscape and Mozilla Thunderbird which allows users to access the authentication and encryption features provided by GnuPG

freenigma adds privacy technology (with strong e-mail encryption) to your favourite webmail service.

The Gpg4win project aims at updating the Gpg4win Windows installation package with GnuPG encryption tool, associated applications and documentation on a regular basis.

Hushmail is a Web-based e-mail service that lets you send and receive email in total security

Mac GNU Privacy Guard (Mac GPG for short) is, after a fashion, the Mac OS X port of GnuPG, licensed under the GNU GPL.

Martus is designed to assist human rights organizations in collecting, safeguarding, organizing and disseminating information about human rights abuses. It enables grassroots NGOs to securely catalogue and store their records on off-site servers with easy

PGPi is the international variant of PGP (Pretty Good Privacy), a public key encryption program originally written by Phil Zimmermann in 1991.

Email encryption software

Revelation is a password manager for the GNOME desktop

Shinkuro is a small software program that enables teams to securely share files, exchange instant messages, and do simple screen sharing.

SSH Tunnel Manager is a front-end for the ssh command when used to open tunnels between two hosts.

Encrypts text files in an EXE format.

TrueCrypt is a free open source on-the-fly encryption (OTFE) program for Microsoft Windows XP/2000/2003 and Linux. It allows one to create a virtual encrypted disk within a file and then mount it as a real disk

VaultletSuite 2 Go is the first industrial strength privacy protecting software that's a snap to use, installs on your hard drive or your thumb/USB drive.

The VaultletSuite 2 Go uses Open Source 2048 bit RSA public key and 256 AES encryption, and is the easiest way to protect and control your spam-free email, passwords and important files wherever you and USB drive may roam: from home to work and anywhere in between.

VaultletSuite 2 Go contains the following services:

VaultletMail: not only do you get get secure spam and phishing free email, but you can also control whether your messages are printed, archived, forwarded, and even how long they live before they vanish. Not only that but you can receive guaranteed receipts too!

PasswordValet: with one click you can edit and protect your valuable account and password information. You can store them on your USB drive or our server.

VaultletFiler: with one click you can protect the valuable files that you store on your USB drive. With that one click, you're protected from unintended exposure of your valuable information.

VaultletMail DropBox: Anyone can send you a secure message using the VaultletMail DropBox. All it takes is two clicks to send you a point-to-point encrypted email message: one click to start the secure editor applet, and another one to encrypt it and send it on its way to you.

SpecialDelivery: gives VaultletMail users the ability to send encrypted time and view constrained content to anyone in the world, regardless of which email system or client they use. This means that recipients of SpecialDelivery messages will benefit from your desire to protect and control your communications with them even if they don't have a VaultletMail account. VaultletSuite 2 Go: Your World, Secured. Anywhere

The VaultletSuite is available for free to individuals and for non-governmental,non-profit use.

New in v2.6: Not only does the VaultletSuite 2 Go now display itself in English, Español, Français, Русский, and العربية, but it also supports Right-to-Left rendering of فارسی and עברית!

WinSCP (Windows Secure CoPY) is an open source SFTP and FTP client for Microsoft Windows. Its main function is secure file transfer between a local and a remote computer. WinSCP offers basic file manager functionality for uploading and downloading files from a server.