离线地图下载器：支持下载离线地图，瓦片地图。(MaptileDownloader.support for downloading offline maps and tile maps.)

地图切片下载器，支持谷歌、百度、高德等地图，可以转换数据实现离线地图发布(Map slice downloader supports Google, Baidu, Gao De and other maps, and can transform data to offline map publishing.)

开源地图前端leaflet.js示例代码，配合离线地图下载器数据实现离线地图发布预览(Open source map front-end leaflet.js sample code, offline map downloader data, offline map publishing preview.)