WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Powerful webdav client and sync tools with client-side AES encryption
For full, incremental, compressed and encrypted backups or archives
The safest way to store private data in untrusted (cloud) environments
Robust and flexible VPN network tunnelling
antigift is simple cross-platform, files & folders encryption tool
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Send Mime and Smime Emails to Any Type of Mail Server
A tool to encrypt files in Russian.
Secure Striker Manager
Protect and Obfuscate Encode PHP File From reading ( Opensource )
A program to generate random reciprocal bigram tables
A Java application for transferring computer files in 5 letter groups
An IRC proxy to add chat encryption to IRC clients
Fast and Strong Data Encryption Algorithm
Code to brute force the 32-bit key used to RC4 encrypt .pwl files.