https://www.progress.com/documentation/sitefinity-cms/121/accordionnewslist-widget-create-the-web-user-control-webforms
Create the web user control - Sitefinity CMS Widgets
create the webuser controlsitefinity cmswidgets
https://rstudio.github.io/leaflet/
Create Interactive Web Maps with the JavaScript Leaflet Library • leaflet
Create and customize interactive maps using the Leaflet JavaScript library and the htmlwidgets package. These maps can be used directly from the R console,...
interactive web mapsleaflet librarycreatejavascript