HTML5 UP is a collection of amazing free templates, that are fully responsive, built on intelligent html5 and css3, and are fully customizable.
Biggest Source of Free HTML Website Templates & Bootstrap Themes for Business, Landing Page, Admin Dashboards, and Resume & Portfolio Websites. 400+ Ready to Use Templates and Themes to Ease Your Web Development Process.
Nicepage is a free website-building tool that requires no coding skills. This includes the WordPress, Mac OS, web app infrastructure, With a mobile-friendly interface and a responsive design, the websites look great on all modern devices.
It provides 3305 free website templates, all templates are free. All of the templates have been built using CSS & HTML.
Download 565+ free HTML CSS website templates that included 140+ responsive Bootstrap themes from templatemo and use them for your sites.