TrueCrypt is described as '[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]' and is a leading Disk Encryption tool in the security & privacy category. There are more than 100 alternatives to TrueCrypt for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best TrueCrypt alternative is VeraCrypt, which is both free and Open Source. Other great apps like TrueCrypt are Cryptomator, LUKS, Picocrypt and File Lock PEA.
Ensure your data's security by encrypting entire partitions, storage devices, or system drives with VeraCrypt. Benefit from transparent and automatic real-time encryption, hardware acceleration on modern processors, and robust security algorithms that are resistant to brute-force attacks.
Cryptomator provides transparent, client-side encryption for your cloud. Protect your documents from unauthorized access. Cryptomator is free and open source software, so you can rest assured there are no backdoors.
LUKS is the standard for Linux hard disk encryption. By providing a standard on-disk-format, it does not only facilitate compatibility among distributions, but also provides secure management of multiple user passwords.
Picocrypt is a very small (hence Pico), very simple, yet very secure encryption tool that you can use to protect your files. It's designed to be the go-to tool for encryption, with a focus on security, simplicity, and reliability.
DroidFS is an alternative way to use encrypted overlay filesystems on Android that uses its own internal file explorer instead of mounting virtual volumes. It currently only works with gocryptfs but support for CryFS could be added in the future.
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.
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...
With EDS (Encrypted Data Store) you can store your files in the encrypted container to prevent unauthorized access to sensitive information.
FreeOTFE is a free, open source, "on-the-fly" (OTFE) disk encryption program for PCs running MS Windows and Windows Mobile PDAs (FreeOTFE4PDA).
Easily encrypt files with user-friendly software using the powerful AES standard for security on Windows, macOS, and Linux, featuring robust 256-bit encryption for safeguarding sensitive data from unauthorized access, ideal for secure data storage, email transmission, and internet uploads.
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TrueCrypt was discontinued in mysterious circumstances. The code was taken forward by VeraCrypt. It is open source and some security vulnerabilities have been fixed since the TrueCrypt days. It's a great app for creating encrypted containers or encrypting whole drives. Backwards compatible with TrueCrypt. Truly excellent software.