MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Skuuudle - Discover, match and monitor your eCommerce competitors.
Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.
Prisync - Prisync is a competitor price tracking and monitoring software for all sizes of e-commerce companies worldwide.