SFTPBlackbox .NET

SFTPBlackbox.NET is a comprehensive collection of managed components that add client-side and server-side support for SFTP (Secure File Transfer Protocol) to your .NET Framework applications. SFTPBlackbox.NET includes complete SSH protocol support.
OMessenger

OMessenger

Secure Instant Messenger for text, group, voice communication and file sharing between colleagues within single or multiple offices from anywhere in the world. Easy to install and use, and no active internet connection or central server is required.