Gravity Buttons is a button creator for WordPress that allows anyone to create beautiful buttons anywhere on their site.

Mango Buttons is a button creator for WordPress that allows anyone to create beautiful buttons anywhere on their site.

CSS3 Button Creator/Generator, Create Buttons, Call-To-Action (CTA), Share Buttons & Twin Buttons anywhere in wordpress using button shortcode [wpi_designer_button]

Shiny Buttons will help you to generate CSS3 Button from you wordpress admin simple using GUI, no need to write any css code