SUMO Donations: lets your visitors make donations on your site. It supports recurring donations. Rewards may be given to donors.
Woo Donation: adds a donation field to the cart page. You can set a minimum donation amount or make donations mandatory.
WooCommerce Donations: lets you accept donations on your WooCommerce site using over 130 payment gateways. You can set a minimum donation amount, make donations non-taxable, and run reports to see who has donated.
YITH Donations: lets you associate donation forms to single products and add a donation widget to your sidebar.
Have you found better donation plugins for WooCommerce? Please share them here.