Internet Direct, also known as "Indy", is a

free software Free software or libre software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions. Free software is a matter of liberty, no ...

/ open source

socket Socket may refer to: Mechanics * Socket wrench, a type of wrench that uses separate, removable sockets to fit different sizes of nuts and bolts * Socket head screw, a screw (or bolt) with a cylindrical head containing a socket into which the hexag ...

library written in

Object Pascal Object Pascal is an extension to the programming language Pascal that provides object-oriented programming (OOP) features such as classes and methods. The language was originally developed by Apple Computer as ''Clascal'' for the Lisa Worksh ...

, an object-oriented version of Pascal. It includes clients, servers, TCP, UDP, and raw sockets, as well as over 100 higher level protocols implementations such as SMTP, POP3, NNTP, and HTTP. Indy includes support for OpenSSL and

Zlib zlib ( or "zeta-lib", ) is a software library used for data compression. zlib was written by Jean-loup Gailly and Mark Adler and is an abstraction of the DEFLATE compression algorithm used in their gzip file compression program. zlib is also ...

in the protocol implementations. Indy 10 was ported to

Free Pascal Free Pascal Compiler (FPC) is a compiler for the closely related programming-language dialects Pascal and Object Pascal. It is free software released under the GNU General Public License, witexception clausesthat allow static linking against its ...

, and runs on

Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for ser ...

, FreeBSD,

Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, w ...

, and Darwin. Internet Direct is available for

Borland Delphi Delphi is a general-purpose programming language and a software product that uses the Delphi dialect of the Object Pascal programming language and provides an integrated development environment (IDE) for rapid application development of desktop, ...

, C++ Builder, and Kylix. The software is dual-licensed under the "Indy Modified BSD License" and the "Indy MPL License". As of early 2008, there is a new project called Indy#, which intends to write a C# version from the ground up.

History

Indy was initially named "Winshoes" and was written by Chad Z. Hower ( a.k.a. Kudzu) in 1993 in Visual Basic. In 1995, he ported it to Borland Delphi and deprecated the Visual Basic version. In 1997, he made it available under an open-source license. In 2000, Winshoes was renamed to Internet Direct (Indy for short) and became cross-platform. In 2001, Borland began including it as a part of Borland Delphi, C++ Builder, and Kylix. In 2003, Indy was ported to Delphi for .NET. The following year, Indy was made available to the Microsoft .NET community.

References

External links

Indy Project home pageIndy Knowledge Base
Pascal programming language family Free Pascal Pascal (programming language) software {{compu-library-stub