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Getting Started

A guided introduction and learning path to developing network-capable applications for Mac OS X.

Your Macintosh computer easily fits in to any computing environment, thanks to Mac OS X's support of popular networking standards. Mac OS X's modern, TCP/IP-based networking architecture includes IPv4, IPv6, and L2TP/IPSec, which are fully integrated into the operating system; and the Mac includes a Network user interface for configuration and support from high-level development frameworks. Mac OS X minimizes your development time and code complexity by offering a range of networking APIs, including BSD Sockets and Bonjour, and high-level frameworks, including Core Foundation, Web Kit, and the Foundation URL Loading System. Read more...


Networking Articles

Featured Content

Designing Network-Friendly Applications
Users today are often on a managed network or a wireless network. Read this article to learn how to make your application management aware and reliably accessible on a network.

Related Links

Reference Library


Essential information for developers using Apple's networking environment.

API Reference

Descriptions of the programming interface elements for networking, organized by framework.

Mailing Lists

Macintosh Network Programming

If you're developing network software for Mac OS X , we strongly recommend that you join the MacNetworkProg mailing list. This is a low-bandwidth, high signal-to-noise mailing list for discussing Macintosh network programming.

Bonjour Developer

The Bonjour mailing list is a great resource for developers with questions about Bonjour APIs and for people interested in detailed discussions of Bonjour protocol specifics.

Business Resources

Mac Market

Business Development

Product Development



Mac Products Guide