CoreDNS is a DNS server that chains plugins
Encrypted UDP based FTP with multicast
Development toolkit for Web Services and XML data bindings for C & C++
UDP File transfer protocol
32/64 bit multi-platform Modbus communication library
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
A fast UDP/IP-based data transfer protocol
DNP3 Outstation and client simulator, Source code Library, win, Linux
FSP command line client with FTP like interface
UDP based file transfer client/server application (based on lib UDT)
A multi-platform universal log collector and forwarder
A free high-performance alternative to TCP sockets
A simple native java network library
Filetransfer over UDP
FileTap - Peer to Peer Lan File Transfer