3D World Map is a powerful and high-definition three-dimensional world map (Note that: it is a 'Map' rather than 'Earth'). It enables you to accurately find 269 countries and regions in the world on this realistic tellurion, and precisely displays the locations of more than 30000 cities around the world. Plus, it can calculate the distance between any two points on the earth, and all mountains, rivers, lakes and seas can be seen with a glance on this 3D tellurion.
MapInfo Pro, started in 1986, is a powerful and user-friendly business desktop mapping system (namely the GIS: Geographic Information System) with commercial information mapping and data visualization functions. It can help enterprises gain the maximum value from data in the process of decision making of inventory management, resource allocation and customer communication.
Today, all laptops come with wireless network adapter. At the same time, the huge convenience of wireless network is obvious. But since it is subject to technical bottleneck, the stability and quality of wireless network always can't catch up with wired network. That is to say, the most annoying thing when using a wireless network is the poor signal, especially you don't know which one is better.
Stellarium is a free open-source desktop virtual planetarium software, supports Unix/Linux, Windows and Mac OS X platforms. It uses OpenGL to render the stars in real time, and generate a virtual 3D sky on your desktop, so the stars effect is almost completely the same as you observe the stars sky with only naked eye, telescope or astronomical telescope.