[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]Discontinued
The development of TrueCrypt was ended in 5/2014 after Microsoft terminated support of Windows XP. Windows 8/7/Vista and later offer integrated support for encrypted disks and virtual disk images. Such integrated support is also available on other platforms. You should migrate any data encrypted by TrueCrypt to encrypted disks or virtual disk images supported on your platform.
A fork of the now-discontinued TrueCrypt. CipherShed is a program that can be used to create encrypted files or encrypt entire drives (including USB flash drives and external HDDs).Discontinued
No releases since Sep 6, 2017. See https://www.ciphershed.org/news/
DiskCryptor is a free and open-source utility that offers encryption of all disk partitions, including the system partition. Originally conceived as a replacement for DriveCrypt Plus Pack and PGP Whole Disk Encryption (WDE), the project aims to create the best product in its...
Data encryption software by CryptoForge allows you to secure your sensitive data everywhere it goes with strong AES encryption. It features a file encryption module which allows you to encrypt files and folders of any type and size, on any kind of media, including external USB...
- 84 alternatives to SSuite Agnot StrongBox Security
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Now this is what I call real security!... You may use any one of nineteen, industrial and military strength, encryption ciphers to secure your most precious private information.
Camouflage allows you to hide files by scrambling them and then attaching them to the file of your choice. This camouflaged file then looks and behaves like a normal file, and can be stored, used or emailed without attracting attention.Discontinued
Camouflage is no longer supported or developed, but Final version, v1.2.1, released in May 2010, can be still downloaded from Twisted Pear Productions mirror.
Hasleo BitLocker Anywhere can help you encrypt drive with BitLocker Drive Encryption in Windows 10/8.1/8/7 Home, Windows 8 Core and Windows 7 Professional Editions, you can also use it to decrypt BitLocker encrypted drive, export BitLocker recovery key and startup key from...
Masker is a program that encrypts your files so that a password is needed to open them, and then it hides files and folders inside of carrier files, such as image files, video, program or sound files. The strong encryption up to 448-bit and password protection makes the hidden...