Stockpile - Stockpile is a free online inventory system for small business and at home uses.
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.
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.
LS Retail - LS Retail management software solutions & POS systems help retailers, restaurateurs, pharmacies & forecourt businesses worldwide optimize operations & increase revenue.
PartKeepr - PartKeepr is an open source inventory management system that you can alter according to the particular requirements of your business or of the area from where you are operating.
Square for Retail - Point-of-sale app & set of tools for retail businesses