Costy is a multipurpose, 100% responsive, simple and clean cost calculator and order wizard built with HTML5, CSS3, jQuery using Bootstrap4. With its PHP engine Costy is able to generate PDF summary about the order request which is sent in attachment by a nicely formatted email notification. Comes with premade color variations and layouts.
Demo: https://themeforest.net/item/costy-multipurpose-estimator-and-order-generator-template/23497072