If you know how to use Keynote and Pages, you already know how to use Sparkle. No need to design in another app. Sparkle has powerful image, text and layout tools. Browse and use web fonts from Google for beautiful typography. Automatic image optimization and built-in FTP. Drop-in video, audio, buttons, forms, galleries and menus. Stay sharp and crisp, with pixel-perfect design tools and vector support. SEO, Google Analytics, Twitter and Facebook integration. There is a free version available.