React admin / Templates

• https://marmelab.com/react-admin/doc/2.8/Authentication.html
• https://github.com/marmelab/react-admin
• https://marmelab.com/ra-enterprise-demo
• https://github.com/bmihelac/ra-data-django-rest-framework
• https://github.com/PanJiaChen/vue-element-admin

Admin Templates

• https://www.templatemonster.com
• https://themeforest.net
• Introducing Next.js Commerce 2.0 - Vercel
• Next.js Commerce - Vercel

Free website templates

• free-css - Free One Page Website Templates (586) | Free CSS
• ThemeWagon - Free Bootstrap Themes for Responsive HTML5 Websites | ThemeWagon
• onepagelove - Free One Page Templates (Page 2 of 14)
• templatemonster - Web Templates | HTML5 Website Templates | Web Graphics
• ThemeForest - WordPress Themes & Website Templates from ThemeForest
• Free Website Templates
• Website Templates | 800+ Free Website Templates | Wix.com