plum.Shop is a powerful shopping cart plug-in for jQuery designed to be completely hassle-free. It requires no database; simply include jQuery and the plum.Shop JavaScript file, make any adjustments to the default settings to fit your needs, and you're set!

Plum comes packaged with over 20 settings, including multiple checkout options, currency locales, discount codes, callback functions and more. It sports a rich API to create a flawless integration with any layout. Everything is exquisitly packed into a tiny 11.5 KB file (or 3.9 KB if you're using gzip).