AES Crypt is a file encryption software product available on several operating systems that uses the industry standard Advanced Encryption Standard (AES) to easily and securely encrypt files.

Ccrypt is a utility for encrypting and decrypting files and streams. It was designed as a replacement for the standard unix crypt utility, which is notorious for using a very weak encryption algorithm.

This is a Solitaire-type encryption, but not THE solitaire,  since it doesn't only encode characters, but the whole ascii  range. With other words it can encrypt binary files. Source code included.

KeePassX is an application for people with extremly high demands on secure personal data management. Port by different authors.

KeyRing/2 is a secure database for all your passwords, registration codes, lock combinations, Bank PINs - any small secret. By entering a single password you can instantly retrieve all your secret information. Since KeyRing/2 is a...

The MD5 utility takes as input a message of arbitrary length (e.g. the contents of a file) and produces as output a 128-bit 'fingerprint' or 'message digest' of the input. It is conjectured that it is computationally infeasible to...

Nettle is a cryptographic library that is designed to fit easily in more or less any context: in crypto toolkits for object-oriented languages (C++, Python, Pike, ...), in applications like LSH or GNUPG, or...

Harness gravity with your crayon and set about creating blocks, ramps, levers, pulleys and whatever else you fancy to get the little red thing to the little yellow thing. See rules at README. Extra levels available.

Probabily the best free encryption software.

QPass is easy to use, open source password manager application. It enables you to store your confidential data crypted. Application developed using Qt4.

Small GUI application to generate random secure passwords (like NCpg*fmO_08uLh). Can generate from small and capital letters, digits, asterisks, spaces, underscores and any other symbols typed in manually by...

The Secure Workplace is a collection of objects designed to  protect against changes to the Desktop Setup. Date and time  encrypted passwords allow Help Desks to manage the user's  Desktop Setup.

Flexible password-manager with cloud-option. The password-manager for OS/2 and related operating systems. The program helps you in administrating login-data for all kind of websites in a secure way. It is native OS/2-software, no port....

Password safe/manager for Windows OS/2 and Linux, a program developed using Qt4.

Features:

• More than just...