Top 3 Open-Source Alternatives to Fort

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).

When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.

Password-encryption of files and directories. File PEA encrypts files and folders with authenticated encryption to protect confidentiality and integrity. The program uses memory-hard key derivation functions to prevent custom hardware attacks.