Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
HelpDocs - Educate your users with a super simple knowledge base that’s built for teams just like yours.
HelpSite - HelpSite is a simple service to help your setup the perfect support centre or help site.
SkipFlag - AI knowledge base that builds itself from your communication
KnowledgeBase - An AI-powered knowledge base software, that helps you organize your company knowledge, empower support agents and provide a self-service help center for your customers.
phpMyFAQ - phpMyFAQ is a world’s most popular mobile-friendly, feature-rich and open-sources FAQ software that uses PHP 5.