PrimeFaces is an open source JSF component suite with various extensions.

• Rich set of components (HtmlEditor, Dialog, AutoComplete, Charts and many more).
• Built-in Ajax based on standard JSF 2.0 Ajax APIs.
• Lightweight, one jar, zero-configuration and no required dependencies.
• Push support via Atmosphere Framework.
• Mobile UI kit to create mobile web applications for handheld devices.
• Skinning Framework with 35+ built-in themes and support for visual theme designer tool.
• Extensive documentation.
• Large, vibrant and active user community.
• Developed with "passion" from application developers to application developers.

URL:

http://www.primefaces.org/downloads.html