Chart.js - Easy, object oriented client side graphs for designers and developers.

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.

Hypi - Hypi is a no-code and low-code web and mobile app development platform that allows developers, designers and entrepreneurs to build a serverless application quickly.

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

Visme - One easy to use online tool to visualize your ideas to engaging Presentations, Infographics and other Visual Content.

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