crystalclear interface

The free Vegas Strip Blackjack has a purple interface.

Provides portable, unified interface for management of input device events

A neat widget interface that allows screensavers to be run right on your desktop

Provides a GUI interface for ChkTeX in TeXShop

Simple interface to A Latin Dictionary, by Lewis and Short.

TapDex will search interface for OS X Address Book.

This is a simple tool with graphic user interface

It is the Cyberduck FTP and SFTP browser with an easy to use interface.

It is a graphic user interface wrapper for the Mercurial version control system.

S3 Browser is a free client interface for Amazon S3 Service.