Indy.Sockets is an open source socket library that supports clients, servers,
TCP, UDP, raw sockets, as well as over 100 higher level protocols such as
SMTP, POP3, NNTP, HTTP, and many more. Indy.Sockets is available for C#, C++,
Delphi, Visual Basic.NET, any .NET language, and Kylix. This version is for
FreePascal.