The biggest player of the bunch, WooCommerce is said to power 28% of all online shops, and is a member of the Automattic portfolio. It’s free, and also offers a WordPress theme you can start with, while there are premium add-ons for pretty much anything.
Also a freemium ecommerce plugin, iThemes Exchange offers simple transactions through Stripe, and promises to get you selling in 5 minutes. It has support for shipping rates, digital downloads, coupons, and customer management. Two additional paid tiers are available: the Pro Pack and the Plugin Suite.
Boasting of speed, stability, PHP7 optimization, and a RESTful API, Jigoshop can be downloaded and installed right away for free. It has a long list of free and commercial extensions and themes, as well as different levels of support starting at $40 a month.
Created in 2006, WP eCommerce considers itself the original WP plugin e-commerce before the playing field matured to what we have today. You can use it for physical products, digital goods, subscriptions, and memberships, and it’s extensible with developer hooks and premium add-ons.
Shopify Connect for WooCommerce
Letting you have the best of both worlds, Shopify Connect for WooCommerce does exactly as it says. The plugin runs Shopify on the back-end and WooCommerce on the front-end, so you can enjoy the advantages of both platforms including integrations on different social media sites, and the customizability of products and post publishing.
Introduced in 2008, Shopp touts its flexibility, security, and friendly interface so users can focus on their workflow from selling to shipping. Shop-owners get access to a manageable number of templates that won’t intimidate them, and can purchase support services from their helpdesk.
Available for many different types of sites, including WordPress, Ecwid lets you add a shopping cart to your site for free for up to 10 products, inclusive of customer support. For the paid tiers, you’re able to sell on other platforms simultaneously, such as Facebook, Instagram, and eBay, and get access to their mobile app for store management.
Emphasizing high return on investment, low cost, and a long feature list, WP EasyCart in two paid variants in addition to the free version. Professional and Premium, paid annually, waive the payment gateway application fees and offer more processors to choose from, plus apps.
Easy Digital Downloads
Built specifically for digital products, Easy Digital Downloads straightforward selling with two payment gateways and themes available for free. Premium add-ons offer more checkout options and extensibility.
WP Simple PayPal Shopping Cart
Shortcode-driven and specifically made for one payment method, WordPress Simple PayPal Shopping Cart lets you place Add to Cart buttons on any post or page to instantly transform any WP site into an online shop. A premium version of this plugin, called WordPress eStore, offers more functionality and customization.