Looking for an old link?

We are currently in the process of manually updating the Indy website. This will happen progressively and may take some time.

If you are seeking content that has not been moved yet, or are trying to use an old URL, change www to ww2. The old site is still alive at:

Broken Links?

There are probably broken links and other problems caused by the manual upgrade. Please kindly report any problems on the Indy forums.


Indy is an open source client/server communications library that supports TCP/UDP/RAW sockets, as well as over 100 higher level protocols including SMTP, POP3, IMAP, NNTP, HTTP, FTP, and many more. Indy is written in Delphi but is available for C++Builder, Delphi, FreePascal, .NET, and Kylix.