Clean Form is a Full Responsive PHP Working Ajax Multi-purpose Form with Required field jQuery validation.
Demo: https://codecanyon.net/item/clean-form-php-working-contact-quote-booking-jobapply-reservation-multipurpose-form/21155924
Moveto is a quote form or price estimator wordpress plugin for movers n packers or moving companies to get leads for their business.
Demo: https://codecanyon.net/item/moveto-a-premium-quote-form-wordpress-plugin-for-movers-or-moving-companies/23172425
Introducing CRM PRO – the all-in-one Laravel and React.js based customer relationship management software that revolutionizes your sales and customer management needs.
Demo: https://codecanyon.net/item/crm-pro-crm-software-for-contact-company-opportunity-quote-email-task-tickets-and-more/47922180
The WooCommerce Quote plugin seamlessly integrates into your WooCommerce system allowing your customers to add products to a quote basket and ask for price estimation.
Demo: https://codecanyon.net/item/woocommerce-quote/44590140
YITH WooCommerce Request a Quote it has been explicitly conceived to grant a communication channel between customers and suppliers, going beyond those traditional - and sometimes restrictive - e-commerce platforms.
Demo: https://yithemes.com/themes/plugins/yith-woocommerce-request-a-quote/
This application created by Android studio for client side and then PHP/MySQL for Admin side. Run under Android platform which is the most popular operating system in the world.
Demo: https://codecanyon.net/item/videoimagegifquote-app-with-earning-sytem-reward-points/23383405
Quotes Creator has collection of 2000+ quotes with 25+ category. So you can find variety of quotes into different category.
Demo: https://codecanyon.net/item/quote-writer-quote-maker-app-for-instagram-add-text-text-on-photo-editor-photo-text-editor/34852914