Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Stonly Knowledge Base - Interactive knowledge bases and help-centers
HelpSite - HelpSite is a simple service to help your setup the perfect support centre or help site.
Free Knowledge Base by Dashly - Optimize your customer support with Knowledge Base by Dashly
Manula - Manula is an online software for creating user manuals.
SlimFAQ - Build an FAQ quickly and easily for your website