Docy is a powerful, responsive, and high-performance HTML online documentation template that can assist you quickly develop your next product’s documentation. It can be used for documenting API, frameworks, plugins, templates, software, user manual, etc. It’s based on Bootstrap 4 and includes a lot of elements to make your interactive documentation easy.
Demo: https://themeforest.net/item/docy-documentation-and-knowledge-base-html5-template-with-helpdesk-forum/30855501