sftp4tc is a file system plugin for Total Commander that allows SFTP sessions to connect to your Unix/Linux servers. It supports Unicode file name translation, server-to-server copy, and all usual operations. Because it is based on PuTTY, you can use all your configured servers from PuTTY, and it also supports the Pageant private key agent.
TML/SIDEX is a BEEP (Block Entensible Exchange Protocol) based SDK for implementing peer to peer and/or client/server communication on various platforms and target languages. It provides type safe data modelling with a simple XML based format that minimizes errors, and its synchronous, asynchronous, and multithreaded interfaces guarantee performance.