Easy Buy Now Button by Ntekg gives you the power to create PayPal Buy Now buttons wherever you choose, by simply adding shortcodes to post or page.

Nice PayPal Button Lite gives you the power to create PayPal Buy Now buttons wherever you choose, by simply adding shortcodes to your post or page.

WordPress Smart Paypal Payment or Donation Accept is a plugin created for Freelancers, Charities and Nonprofit Organizations who want to accept payment of their services or wants to accept donation for their website.