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

Guideblocks - Guideblocks extends your web app to provide help articles, user onboarding tours, context help...

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

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

GoSquared Live Chat - Beautiful, simple, and free live chat for your website

Userlane - Digital adoption platform with interactive guidance for software applications allowing anyone to understand and master any software from the get-go.