SimpleSheets came to be after a conversation with Dr. Michael Shafer, the founder of Warm Heart, a non-profit foundation in Thailand. He said that many of the people his foundation was meant to help were having a hard time selling their wares. He said WooCommerce was “too much system” for these people as they had little schooling and even less computer skills.
Sheetrock.js is used to fetch the products from a Google Spreadsheet and Handlebars.js is used to display them inside the HTML document. simpleCart(js) is the eCommerce engine and does all the heavy lifting.
You can play with the demo here: http://bradonomics.github.io/simplesheets-shopping-cart/