Give is a charity WordPress theme for NGOs, fundraising organizations, non-profit institutions and other governmental, private and international charity funds.
Demo: https://themeforest.net/item/give-ngo-charity-wordpress-theme/43118605
Voucher Wheel is a powerful tool to engage your customers by giving them a chance to win a prize by spinning a lucky wheel. Developed in Python, Django and jаvascript, Voucher Wheel is fully customisable in an admin portal.
Demo: https://codecanyon.net/item/voucher-wheel-engage-and-give-prizes-to-your-customers/33951156