[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]
Platforms
- Mac
- Windows
- Linux
United States




[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]




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.



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.



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.




A simple right-click, you can encrypt files in seconds - without any prior technical knowledge.

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.





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...



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.
Challenger is a software for the encoding of files, folders and drives. For the installation and for the execution simple user rights suffice. Thereby the program is mobil usable on an USB flash drive too.




LibreCrypt (formerly DoxBox) is an open-source disk encryption for Windows and the successor of FreeOTFE
