Knotes VS Numerator Insights (formerly InfoScout Insights)

Readwise - Effortlessly rediscover and organize your Kindle highlights

SPS Commerce Analytics - SPS Commerce Analytics helps transform messy item and sales data into insights to help meet consumer demand and boost profit.

Clippings.io - Organize the notes you make on your Kindle

Wiser - Share relevant content w/in your organization.

Klib - Kindle & iBooks Highlights Manager

RQ - RQ by iQmetrix is a cloud-based retail management system for your business that allows you to manage every aspect of your business from inventory, staff, and sales.