The Indy Project is an open source group that has grown from the Indy.Sockets project team to the Delphi VCL. Indy 10 is the latest stable version of it. They are components specially designed for projects that require communication by means of network/internet protocols. It also has a CLR version compatible with . Net from version 2. Indy has components for servers and clients for FTP, HTTP, E-mail and others.