OneTime Alternatives

OneTime is described as 'open source encryption program that uses the one-time pad algorithm to allow two parties to communicate privately. It has features to assist with the bureaucracy of pad management, and comes with built-in help. OneTime requires Python 2' and is an app in the security & privacy category. There are more than 25 alternatives to OneTime for a variety of platforms, including Windows, Mac, Linux, GnuPG and Android apps. The best OneTime alternative is TrueCrypt, which is both free and Open Source. Other great apps like OneTime are GnuPG, GPG4Win, Kleopatra and Enigmail.

OneTime alternatives page was last updated

OneTime

Free • Open Source

OneTime is an open source encryption program that uses the one-time pad algorithm to allow two parties to communicate...

More about OneTime

TrueCrypt
Is this is a good alternative?
Yes
No
Free • Open Source
Disk Encryption Tool
Mac
Windows
Linux
101 TrueCrypt alternatives
[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 OneTime.
- - TrueCrypt is the most popular Open Source & free alternative to OneTime.
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TrueCrypt Features
1. PortableTrueCrypt can be used from a USB stick or similar with no prior installation.
Security focused
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.
GnuPG
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Linux
PortableApps.com
Xfce
OpenPGP
43 GnuPG alternatives
GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.
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GnuPG Features
1. PGP EncryptionGnuPG supports PGP, an encryption system used for sending encrypted emails and files.
Security focused
Encrypted Email
GPG4Win
Is this is a good alternative?
Yes
No
Free • Open Source
Windows
Microsoft Office Outlook
S/MIME
GnuPG
22 GPG4Win alternatives
Gpg4win enables users to securely transport emails and files with the help of encryption and digital signatures. Encryption protects the contents against an unwanted party reading it. Digital signatures make sure that it was not modified and comes from a specific sender.
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GPG4Win Features
1. PGP EncryptionGPG4Win supports PGP, an encryption system used for sending encrypted emails and files.
2. Windows Explorer ExtensionGPG4Win can extend Windows Explorer in various ways, for example add context menu options, etc..
3. GPG EncryptionGPG4Win supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
Key Management
Kleopatra
Is this is a good alternative?
Yes
No
Free • Open Source
Linux
Flathub
GnuPG
33 Kleopatra alternatives
Kleopatra is a certificate manager and a universal crypto GUI.
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Kleopatra Features
1. GPG EncryptionKleopatra supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
2. PGP EncryptionKleopatra supports PGP, an encryption system used for sending encrypted emails and files.
Graphical User Interface
Enigmail
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
GnuPG
Thunderbird
SeaMonkey
29 Enigmail alternatives
Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the .
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Enigmail Features
Encrypted Email
AES Crypt
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
82 AES Crypt alternatives
AES Crypt is an advanced file encryption utility that integrates with the Windows shell or runs from the Linux command prompt to provide a simple, yet powerful, tool for encrypting files using the Advanced Encryption Standard (AES).
- - AES Crypt is the most popular Android, iPhone, iPad & Android Tablet alternative to OneTime.
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AES Crypt Features
AES Encryption
Password protection
Dims background windows
Encrypto
Is this is a good alternative?
Yes
No
Free • Proprietary
Mac
Windows
84 Encrypto alternatives
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.
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Encrypto Features
1. PDF encryptionEncrypto can encrypt and decrypt PDF documents.
2. LightweightEncrypto consumes less device resources compared to similar apps.
128-bit encryption
Axcrypt
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Mac
Windows
Android
iPhone
iPad
90 Axcrypt alternatives
AxCrypt is a simple file encryption software for Windows. It integrates seamlessly with your workflow to encrypt, decrypt, store, send and work with files.
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Axcrypt Features
1. PortableAxcrypt can be used from a USB stick or similar with no prior installation.
2. Real time collaborationMultiple users can work together in Axcrypt simultaneously.
3. Works OfflineAxcrypt can be used without the need to connect to the internet.
AES Encryption
Multiple languages
Shell integration
APG
Is this is a good alternative?
Yes
No
Free • Open Source
Android
Android Tablet
OpenPGP
13 APG alternatives
Android Privacy Guard (APG) is a free and open source application for Android devices, created by Thialfihar, that lets you encrypt and decrypt single files or emails. Its goal is to provide a similar .
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APG Features
1. GPG EncryptionAPG supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
Encrypted Email
Discontinued
This project was discontinued in favor of OpenKeychain on September 10th, 2017.
File Lock PEA
Is this is a good alternative?
Yes
No
Free • Open Source
Disk Encryption Tool
Mac
Windows
Linux
BSD
84 File Lock PEA alternatives
Platform-independent password-based authenticated encryption of files & folders.
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File Lock PEA Features
1. Encrypted BackupFile Lock PEA uses encryption algorithms to keep your files safe as well as prevent unauthorized access.
2. No registration requiredYou can use most of the features in File Lock PEA without registration.
3. No TrackingFile Lock PEA will not track you or use your personal data.
4. PortableFile Lock PEA can be used from a USB stick or similar with no prior installation.
5. Ad-freeFile Lock PEA doesn't contain any form of external advertising.
6. Privacy focusedFile Lock PEA is considered a privacy friendly alternative.
7. AES-256 EncryptionFile Lock PEA has AES-256 Encryption, i.e. very strong security.
Authenticated encryption
File by file encryption
Password protection
Unicode Crypter
Is this is a good alternative?
Yes
No
Free • Proprietary
Windows
79 Unicode Crypter alternatives
Unicode Crypter is a portable tool that encrypts and decrypts any Unicode character from 1 to 1114111!
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Unicode Crypter Features
1. Privacy focusedUnicode Crypter is considered a privacy friendly alternative.
Support for Unicode
Encrypted Notes
LibreCrypt
Is this is a good alternative?
Yes
No
Free • Open Source
Disk Encryption Tool
Windows
85 LibreCrypt alternatives
LibreCrypt (formerly DoxBox) is an open-source disk encryption for Windows and the successor of FreeOTFE
LibreCrypt has no features, suggest some!
Discontinued
Last release Nov 24, 2015https://github.com/t-d-k/LibreCrypt/releases