Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Pointzi - Design and deliver mobile onboarding, guides and help tips without writing code or needing App releases. The only solution for Web, Mobile and Hybrid Apps.

tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page

Appcues - Improve user onboarding, feature activation & more — no code required! Stop waiting on dev and start increasing customer engagement today. Try it for free.

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

UserGuiding - User onboarding made easy, for less. Create product walkthroughs in a couple of clicks, without breaking the bank.