MailChimp - MailChimp is the best way to design, send, and share email newsletters.

Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.

SendOut - Affordable email marketing for bloggers and influencers

Price Tracker by Relbis Labs - Price Tracker is a command-line tool for monitoring the prices of productsFeaturesTracking prices and availability of products.Tracking Amazon Kindle books.Displaying products information in a terminal.Exporting data into Excel and YAML files.

rasa.io - Get more from your email list.

GlassIt.co - Find discounts, without invasion of your privacy. Download Glass It Price Tracker mobile app or browser extension 🇺🇸