https://cruip.com/free-templates/

Free HTML templates for startup landing pages - Cruip

A collection of free HTML landing page templates to help you easily build your startup landing page without hassles.

https://www.creative-tim.com/templates/free

93+ Free Themes and Templates @ Creative Tim

Download the best Free Themes & Templates developed by Creative Tim.

Free Modern React Templates and Components for Building Landing Pages

Easily customizable modern React UI Templates and Components built using TailwindCSS which are also lightweight and simple to setup. All components are modular and fully responsive for great mobile experience as well as big desktop screens. Brand Colors are also fully customizable.