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.
Smooch.io for Facebook Messenger - Message your customers from Slack, Front, a bot or anywhere!
Oberlo - A dropshipping marketplace for entrepreneurs
VECA - Your eCommerce assistant
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.