sleekStore - instant way to start sales and launch online store powered by WordPress. Functional, convenient, hyper-flexlible.
The WP-SeedBank plugin turns any self-hosted WordPress blog into a community seedbank (or seed library). :D
Best Small Shop is an e-commerce and shopping cart plugin for WordPress that accepts online payments through PayPal.
Embed Kite Connect trade buttons on your posts/pages, and allow visitors to execute trades with just a couple clicks.