So you are looking to raise donations for a special cause? There are plenty of WordPress plugins that let you do that on PayPal and other platforms. Donation Thermometer for WordPress is also worth a look. It lets you display donation thermometers on your site to visualize your fundraising progress.
Donation Thermometer gives you control over color, currency, and other options from the Settings page. You can add thermometers to your pages with a simple shortcode. They are rendered as SVG images, so they won’t slow down your site.
Donation Thermometer is available as a free download. You can get it here.