Social Source Commons

A Free Telnet/SSH Client

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

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

KeePass is a free/open-source password manager or safe which helps you to manage your passwords in a secure way

VaultletSuite 2 Go is privacy protecting software that installs on your hard drive or your thumb/USB drive. It uses Open Source 2048 bit RSA public key and 256 AES encryption, and provides easy-to-use (transparent) encrypted and controllable email and password protects important files.

Free virus protection for your home PC

Freenet is a decentralized censorship-resistant peer-to-peer distributed data store

Portable Gaim is the versatile Gaim instant messaging client packaged as a portable app, so you can take your IM settings and buddy lists with you. The Off-the-record plugin is also included for secure, encrypted messaging

With Hamachi you can organize two or more computers with an Internet connection into their own virtual network for direct secure communication.

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

an easy to use and reliable program for imaging and backing up partitions and logical drives

GmailFS is a virtual filesystem which allows users to mount and use their Gmail email account's storage as a local disk drive.

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

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

Zfone is software for secure voice communication over the Internet (VoIP). It is created by Phil Zimmermann, the creator of the PGP encryption software. Zfone works on top of existing SIP- and RTP-programs, like Gizmo and SIPphone

PHLAK was created to become the only tool security professionals would need to perform security analysis, penetration testing, forensics, and security auditing

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

A free anti-spyware protection tool developed by GRISOFT for home use

Recovers deleted files from hard drives

Client-side software firewall, IDS, and anti-virus.