Quaqua Look and Feel

Quaqua Look and Feel 9.1

Free
An API for component alignment based on visual criteria.

The Quaqua Look and Feel (Quaqua) is a user interface library for Java applications which is closely adhered to the Apple Human Interface Guidelines for Mac OS X. Quaqua is not a fully self-contained look and feel. It runs on top of Apple's Aqua Look and Feel, and provides fixes and enhancements for it.

Quaqua supports three OS X designs (Tiger, Panther, Jaguar) and automatically chooses the right design for the current operating system.

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