It is built from the ground up to work efficiently and smoothly on both platforms, utilizing cutting-edge technologies included in HTML5. Its top priorities are usability, performance and small size, A-grade browser support, flexibility and easy to use API. The OOP-based code of the library is designed to be modular, extensible and very easy to understand.
Check out the website for more information: leaflet.cloudmade.com
Let's make the best open-source library for maps that can possibly exist! Please send your pull requests to Vladimir Agafonkin (Leaflet maintainer) - we'll be happy to accept your contributions! List of Leaflet contributors