BOL

Leaflet is one of the most popular open-source JavaScript libraries for interactive maps.

Features

• Interactive panning/zooming
• Compose maps using arbitrary combinations of:
  • Map tiles
  • Markers
  • Polygons
  • Lines
  • Popups
  • GeoJSON
• Create maps right from the R console or RStudio
• Embed maps in knitr/R Markdown documents and Shiny apps
• Easily render spatial objects from the sp or sf packages, or data frames with latitude/longitude columns
• Use map bounds and mouse events to drive Shiny logic
• Display maps in non spherical mercator projections
• Augment map features using chosen plugins from leaflet plugins repository

https://rstudio.github.io/leaflet/