FTPbox - FTPbox is an open-source application that allows you to synchronize your files to your own host...
Encrypto - Encrypto lets you encrypt files before sending them to friends or coworkers.
Filestash - Filestash is a modern client for FTP, SFTP, S3, WebDAV, Minio,...
File Lock PEA - 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.
Dropbox - Online Sync and File Sharing
Unicode Crypter - Encrypt and Decrypt Unicode!