https://themestr.app/
A custom Bootstrap 5 theme builder that generates CSS from Bootstrap SASS. Build custom themes by selecting colors, fonts and variables with a simple theme...
bootstrap theme buildercustomizerapp
https://www.question2answer.org/qa/28578/theme-responsive-builder-bootstrap-theme-option-panel-updated
More then 300 copies of theme sold, till December 25 2013 DEMO: http://rahularyan.com/demo/ ... -- Removed some unwanted files from theme folder
themeduderesponsivedragdrop