[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]
Cost / License
- Free
- Proprietary
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux




FREE CompuSec is described as 'The FREE CompuSec is a PC Security Suite that protects Notebooks, Desktops and Tablet PCs by providing Access Control, Hard Disk Encryption, File Encryption, and Single Sign On. This Security software comes with a complete set of security functions for unlimited usage and' and is an app in the security & privacy category. There are more than 25 alternatives to FREE CompuSec for a variety of platforms, including Windows, Mac, Linux, Android and GNOME apps. The best FREE CompuSec alternative is TrueCrypt, which is free. Other great apps like FREE CompuSec are Age, Kryptor, Encrypto and FreeOTFE.
[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]




A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.

Encrypto lets you encrypt files before sending them to friends or coworkers. Just drop a file into Encrypto, set a password, and then send it however you normally would — but this time with added security. It’s free for both Mac and Windows.



FreeOTFE is a free, open source, "on-the-fly" (OTFE) disk encryption program for PCs running MS Windows and Windows Mobile PDAs (FreeOTFE4PDA).




Seahorse is a GNOME application for managing encryption keys and passwords in the GNOME Keyring.

EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. You can find links to source and binary releases below.
LibreCrypt (formerly DoxBox) is an open-source disk encryption for Windows and the successor of FreeOTFE

The Gnome Encfs Manager is an easy to use manager and mounter for encfs stashes. It allows you to create encrypted directories, any file that is placed in such a directory will be encrypted.




ProxyCrypt is a command line tool that creates encrypted volumes within a file or a hard drive.



Unicode Crypter is a portable tool that encrypts and decrypts any Unicode character from 1 to 1114111!

DCrypt is an encryption and decryption tool that combines in a smart way multiple algorithms. The combination of multiple strong algorithms makes it much more difficult for hackers to get the plain content of the encrypted file without the password.