Snapchat - Real-time picture chatting

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!

Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

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

StealthChat - StealthChat is Encrypted, Private, Secure Calls and Chats on Android and Apple iOS

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.