Leaflet is a widely used open-source JavaScript library for building interactive maps. Coursera's Leaflet skill catalogue equips you with the ability to create, customize and deploy powerful, intuitive maps for various web applications. You'll learn about Leaflet's core features, such as markers, popups, and layers, its integration with GeoJSON and other geospatial data formats, and the application of plugins to extend its functionality. With these skills, you can create interactive data visualizations, develop geolocation apps, and provide spatial analysis solutions for a range of industries.