Stripe Terminal - The programmable point-of-sale solution 💳🛠️
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Square Register - A fully integrated point of sale (POS) system 💰
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
RoyalPOS - Point of sale system for restaurants & retail stores
HelpScout - Help Scout is a simple, straightforward way to provide excellent support