WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.

Clerk - Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.

Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.

brom - Highly configurable, local auditing of HTTP transactions

Big Cartel - Big Cartel is home to hundreds of thousands of clothing designers, bands, record labels, jewelry makers, crafters, and other artists.

Vote.org - Everything you need to vote