UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.

Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

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

Collaboration Toolkit by Mailjet - Think Google Docs for email template creation 💌

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

iCliniq on Telegram - telegram bot that will get answers from real doctors