Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Mastermind Manager - Software for running mastermind groups

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

Interactive NPS Calculator (by Delighted) - Calculate your NPS easily with this interactive free tool.

HelpScout - Help Scout is a simple, straightforward way to provide excellent support

Retool - Build custom internal tools in minutes.