Creative-tim
Fully responsive UI kits, templates and dashboards that are built on top of Bootstrap and React
themes templates
html DESIGN
Top-quality templates to design and customize your personal or commercial websites, also does not require registrationHTML5 UP
Free fully responsive and super customizable html5 templates.landing page template
Simple, free, fully responsive one-page sites for pretty much anything.Primefaces
Provider of Open Source UI Component Libraries. Also has Angular, React and Vue themes and componentstemplatemo
Free responsive html5 and css templates for your commercial or personal or learning purposes.