LeadBot by Drift - Qualify leads on your website without forms or humans
phpMyFAQ - phpMyFAQ is a world’s most popular mobile-friendly, feature-rich and open-sources FAQ software that uses PHP 5.
Mitch - The unofficial mobile app for itch.io
iService - iService is an integrated solution for managing all customer interactions with complete web-based interface, routes and automatically responds to customer email, provides a simple but powerful knowledge base, and includes a complete contact manageme…
Leadfeeder - Leadfeeder converts your website visitors into sales. Connect your website's Google Analytics to Leadfeeder and unlock the power of seeing who`s visiting your site!
Phaseware Self Service Center - Self Service center allows incident submission, access to knowledgebase, FAQs, and crowdsourcing through forums and communities.