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, Android and GnuPG apps. The best OneTime alternative is TrueCrypt, which is both free and Open Source. Other great apps like OneTime are GnuPG, GPG4Win, Kleopatra and AES Crypt.

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OneTime alternatives are mainly File Encryption Software but may also be Disk Encryption Tools or Password Managers. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of OneTime.

OneTime

Free • Open Source

OneTime is an 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...

More about OneTime

OneTime alternatives page was last updated Apr 6, 2021

TrueCrypt
[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]
102 TrueCrypt alternatives
License model
- Free • Open Source
Application type
- Disk Encryption Tool
Platforms
- Mac
- Windows
- Linux
TrueCrypt Features
Portable
Security focused
Show all NaN TrueCrypt features ▾
+1
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.
TrueCrypt VS OneTime
Is TrueCrypt a good alternative to OneTime?
- TrueCrypt is the most popular Windows, Mac & Linux alternative to OneTime.
- TrueCrypt is the most popular Open Source & free alternative to OneTime.
- TrueCrypt is Free and Open SourceOneTime is also Free and Open Source

GnuPG
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.
40 GnuPG alternatives
License model
- Free • Open Source
Application type
- File Encryption Software
Platforms
- Mac
- Linux
- PortableApps.com
- Xfce
- OpenPGP
GnuPG Features
PGP Encryption
Encrypted Email
Security focused
Show all NaN GnuPG features ▾
GnuPG VS OneTime
Is GnuPG a good alternative to OneTime?

GPG4Win
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.
21 GPG4Win alternatives
License model
- Free • Open Source
Application type
- File Encryption Software
Platforms
- Windows
- Microsoft Office Outlook
- S/MIME
- GnuPG
GPG4Win Features
PGP Encryption
Key Management
GPG Encryption
Windows Explorer Extension
Show all NaN GPG4Win features ▾
GPG4Win VS OneTime
Is GPG4Win a good alternative to OneTime?

Kleopatra
Kleopatra is a certificate manager and a universal crypto GUI.
33 Kleopatra alternatives
License model
- Free • Open Source
Application type
- File Encryption Software
Platforms
- Linux
- KDE Plasma
- Flathub
- GnuPG
Kleopatra Features
GPG Encryption
PGP Encryption
Graphical User Interface
Show all NaN Kleopatra features ▾
Kleopatra VS OneTime
Is Kleopatra a good alternative to OneTime?

AES Crypt
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).
80 AES Crypt alternatives
License model
- Free • Open Source
Application type
- File Encryption Software
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
AES Crypt Features
AES Encryption
Dims background windows
Encrypt Folder
Password protection
Show all NaN AES Crypt features ▾
AES Crypt VS OneTime
Is AES Crypt a good alternative to OneTime?
- AES Crypt is the most popular Android, iPhone, iPad & Android Tablet alternative to OneTime.
- AES Crypt is Free and Open SourceOneTime is also Free and Open Source

Enigmail
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 .
29 Enigmail alternatives
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
- GnuPG
- Thunderbird
- SeaMonkey
Enigmail Features
Encrypted Email
Show all NaN Enigmail features ▾
+3
Enigmail VS OneTime
Is Enigmail a good alternative to OneTime?

Axcrypt
AxCrypt is a simple file encryption software for Windows. It integrates seamlessly with your workflow to encrypt, decrypt, store, send and work with files.
87 Axcrypt alternatives
License model
- Freemium • Proprietary
Application type
- File Encryption Software
Platforms
- Mac
- Windows
- Android
- iPhone
- iPad
Axcrypt Features
1. Portable
2. Real time collaboration
3. Works Offline
4. AES Encryption
5. Multiple languages
6. Shell integration
Show all NaN Axcrypt features ▾
Axcrypt VS OneTime
Is Axcrypt a good alternative to OneTime?

Encrypto
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.
84 Encrypto alternatives
License model
- Free • Proprietary
Application type
- File Encryption Software
Platforms
- Mac
- Windows
Encrypto Features
PDF encryption
Lightweight
128-bit encryption
Show all NaN Encrypto features ▾
Encrypto VS OneTime
Is Encrypto a good alternative to OneTime?

File Lock PEA
Platform-independent password-based authenticated encryption of files & folders.
86 File Lock PEA alternatives
License model
- Free • Open Source
Application types
- File Encryption Software
- Disk Encryption Tool
Platforms
- Mac
- Windows
- Linux
- BSD
Top File Lock PEA Features
1. Authenticated encryption
2. File by file encryption
3. Encrypted Backup
4. No registration required
5. No Tracking
6. Portable
7. Ad-free
8. Privacy focused
9. AES-256 Encryption
10. Encrypt Folder
11. Password protection
Show all NaN File Lock PEA features ▾
File Lock PEA VS OneTime
Is File Lock PEA a good alternative to OneTime?

GoAnywhere OpenPGP Studio
GoAnywhere OpenPGP Studio™ is a free desktop tool that makes it easy to protect sensitive files using the popular OpenPGP encryption standard. Documents can be encrypted, decrypted, signed and verified from your PC or workstation using this...
15 GoAnywhere OpenPGP Studio alternatives
License model
- Free • Proprietary
Application type
- File Encryption Software
Platforms
- Mac
- Windows
- Linux
- BSD
- OpenPGP
GoAnywhere OpenPGP Studio Features
OpenPGP
Password protection
Show all NaN GoAnywhere OpenPGP Studio features ▾
GoAnywhere OpenPGP Studio VS OneTime
Is this a good alternative to OneTime?

APG
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 .
11 APG alternatives
License model
- Free • Open Source
Application type
- File Encryption Software
Platforms
- Android
- Android Tablet
- OpenPGP
APG Features
GPG Encryption
Encrypted Email
Show all NaN APG features ▾
Discontinued
This project was discontinued in favor of OpenKeychain on September 10th, 2017.
APG VS OneTime
Is APG a good alternative to OneTime?

FreeOTFE
FreeOTFE is a free, open source, "on-the-fly" (OTFE) disk encryption program for PCs running MS Windows and Windows Mobile PDAs (FreeOTFE4PDA).
54 FreeOTFE alternatives
License model
- Free • Open Source
Application type
- Disk Encryption Tool
Platforms
- Windows
- Windows Mobile
FreeOTFE Features
Portable
Virtual Disk
AES Encryption
Show all NaN FreeOTFE features ▾
+2
Discontinued
Discontinued per Wikipedia page (https://en.wikipedia.org/wiki/FreeOTFE)
FreeOTFE VS OneTime
Is FreeOTFE a good alternative to OneTime?