Conceal is described as 'Encryption utility. With Conceal you can encrypt/decrypt your important data files on the system' and is an app in the security & privacy category. There are more than 25 alternatives to Conceal for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Conceal alternative is TrueCrypt, which is free. Other great apps like Conceal are Axcrypt, Windows BitLocker, Encrypto and FreeOTFE.
[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]
TrueCrypt is the most popular Windows, Mac & Linux alternative to Conceal.
TrueCrypt is the most popular free alternative to Conceal.
Offers robust file encryption with AES-256 for premium and AES-128 for free users, integrated password manager, intuitive interface, support for cloud storage, multilingual options, offline security, group management tools, and secure file deletion features.
Axcrypt is the most popular Android, iPhone & iPad alternative to Conceal.
BitLocker Drive Encryption is a data protection feature that integrates with the operating system and addresses the threats of data theft or exposure from lost, stolen, or inappropriately decommissioned computers.
Windows BitLocker is the most popular commercial alternative to Conceal.
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).
FreeOTFE is the most popular Open Source alternative to Conceal.
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...
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.
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