Mapping APIs
Google Maps JS API
Marker Info Window Link Layer
GeoJSON KML Street View
Enable world-class map features in your web site, including styled maps, 3D buildings, indoor floor plans, geocoding, place data, and more.
Leaflet JS API
Marker Info Window Link Layer
GeoJSON KML
An open-source JavaScript library for mobile-friendly interactive maps.
Mapbox JS API
Marker Info Window Link
GeoJSON KML
Build anything with Mapbox.js, a library for fast & interactive maps.
Photos
Mapillary JSON API v2
Marker Preview Window Link
Crowdsourced Street Level Photos.
Panoramio REST API
Marker Preview Window Link
Share and explore the world in photos.
Flickr phpFlickr API
Marker Preview Window Link
A PHP wrapper for the Flickr API by Dan Coulter.
ownMaps Photos
coming soon ...
Show your own photos stored at your own place.
Icons
Map Icons Collection
You can download your own set of icons but have to respect the license.
The Map Icons Collection is a set of more than 1000 free and customizable icons to use as placemarks for your POI (Point of Interests) locations on your maps.