1. Stripe for WooCommerce
Stripe allows you to take credit card payments on your site without having sensitive credit card information hit your servers.
Without getting too technical, Stripe allows you to take credit card payments without having to put a lot of effort into securing your site. If you use this plugin, all you have to do is include an SSL certificate on your site and the hard work is done for you.
2. Pay With Amazon
Pay with Amazon enables millions of Amazon buyers to purchase on your site using the payment and shipping information in their Amazon accounts.
3. WooCommerce PayPal Pro Payment Gateway
This extension adds on-site credit card checkout functionality on your WooCommerce site. Your customers will enter the credit card on your checkout page (they never leave the site to do the transaction).
Authorize.net payment makes your site ready to accept credit/debit cards on your ecommerce store in safe way.
CCAvenue Payment Gateway Advanced for WooCommerce allows you to use accept payment on your ecommerce store woth CCAvenue payment gateway WooCommerce plugin
6. WooCommerce Braintree Payment Gateway
WooCommerce Braintree Payment Gateway allows you to accept payments on your Woocommerce store
Voguepay WooCommerce Payment Gateway allows you to accept payment on your WooCommerce store via Visa Card, MasterCard and Verve Card
8.Payeezy Payment Gateway for Woocommerce
Payeezy WooCommerce Payment Gateway allows you to accept payment on your WooCommerce store via Visa Card, MasterCard and Verve Card.