GISNJ

Open tools for Leaflet developers

Developer Tools

Focused, dependency-light plugins for New Jersey imagery and visual layer comparison. Each includes a live demo, setup example, and API reference.

All tools

Three MIT-licensed plugins, ready to use in any Leaflet project.

Imagery · v1.0.0

Leaflet.NJImagery

Add nearly a century of New Jersey public aerial imagery with a layer factory or ready-made picker.

View tool
Comparison · v1.0.0

Leaflet.LayerSwipe

Compare two map layers with an accessible draggable vertical or horizontal divider.

View tool
Comparison · v1.0.0

Leaflet.LayerViewbox

Reveal a synchronized second layer inside a movable, resizable comparison window.

View tool