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

Square - Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!

Savelist - Found products you want but not ready to buy?

Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution

Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.

Heartland Retail - Heartland Retail (previously Springboard Retail) POS software a robust, user-friendly cloud point of sale solution designed for the business of retail. A complete retail management platform built for growing single, multi and franchise brands.