Maps are cool, but map APIs are complicated. jHERE solves this problem by offering a simple but powerful map API in the form of a jQuery (or Zepto.JS) plugin.
With jHERE, you can easily add interactive maps to your website. In only 4KB, you get a powerful map API, highly customizable markers, event handling and info bubbles. Bonus features are KML support and data visualization via heatmaps.