WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Implementation of GlobalPlatform smart card specification
edit and replay captured network traffic
57 Hash Functions In One Program, plus each with HMAC or KMAC
Powerful webdav client and sync tools with client-side AES encryption
For full, incremental, compressed and encrypted backups or archives
Secure wiping/shredding of free disk space with many methods
antigift is simple cross-platform, files & folders encryption tool
The safest way to store private data in untrusted (cloud) environments
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Pioneering Private and Public Cloud Management since 2008
Send Mime and Smime Emails to Any Type of Mail Server
GILIB Large Integer Arithmetic Library
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
Another way of user substitution on unixoid systems
Hexadecimal and raw packet injector and sniffer.
Reveal Rootkit detects processes hidden by rootkits on POSIX systems.