Paymattic Pro (formerly known as WPPayForm) is the perfect lightweight WordPress payments and donation plugin fit for your small business, online fundraiser, e-Learning or membership program.
Demo: https://paymattic.com
SUMO Donations is a Complete WooCommerce Donation System. Using this Plugin you can provide options for the users to make donations in your site.
Demo: https://codecanyon.net/item/sumo-donations-woocommerce-donation-system/12283878
This unique plugin allows you to easily and quickly create beautiful and attractive donations panels on your Wordpress website.
Demo: https://codecanyon.net/item/wp-attractive-donations-system-easy-stripe-paypal-donations/16982796
Hope is a modern, colorful & well designed Charity WordPress theme for non-profit organizations with RTL. This beautiful theme is the best choice for any contemporary charity company, NGO agency, crowdfunding bureau, free school, donations, foundation firm, fundraising, free education...
My Religion Church Wordpress Theme is a perfect theme for traditional and modern churches and religious organizations, church events and other community events, church donations, etc.
Demo: https://themeforest.net/item/my-religion-dedicated-church-wordpress-theme-with-events-sermons-and-donations/17448844
Save Life is a modern, fresh & functional Charity WordPress Theme. It is perfect for non-profit organizations.
Demo: https://themeforest.net/item/save-life-nonprofit-charity-donations/19561594
So YITH Donations for WooCommerce aims precisely to make it all easy to set up and perform a few simple clicks: link a donation to a product or enable users to make donations to their site, relying on a stable and rich WooCommerce plugin.
Demo: https://yithemes.com/themes/plugins/yith-donations-for-woocommerce/