Awesome

Indy - Internet Direct

Indy is a well-known internet component suite for Delphi, C++Builder, and Free Pascal providing both low-level support (TCP, UDP, raw sockets) and over a 120 higher level protocols (SMTP, POP3, NNT, HTTP, FTP) for building both client and server applications.

For instructions on upgrading the default installed version of Indy in your IDE and for links to the documentation, visit the Wiki.