JigoShop for BuddyPress

Jigoshop – BuddyPress Integration: Your Social Network Shop

Shopify WordPress

Seamlessly integrate Shopify with your WordPress blog to automate delivery of digital products.

This plugin adds a Membership page to the BuddyPress Member section. It is made to enhance s2Member's standard integration with WordPress/Buddypress.

Makes it easy for anyone to turn their Wordpress website/blog into an ecommerce system.

WP Auctions allows you to host auctions on your blog. You can host unlimited auctions on your blog and keep 100% of your profits. No more fees!