Sherlock - Sherlock provides insights on user engagement for product makers.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Kayako - Help Desk Software and Customer Service Software by Kayako. Improve customer satisfaction, increase sales.
Helpy - The spread of the covid-19 slows down with Helpy
MeisterTask for Freshdesk - Meister your customer support tasks