kalzium是一个向您展示元素元素表的程序。
2048
You may close 2048 at any time. It saves your progress for next time you open the game.
阿尔萨
Artha is a free cross-platform English thesaurus that works completely off-line and is based on WordNet
卡纳格拉姆
Kanagram is a game based on anagrams of words: the puzzle is solved when the letters of the scrambled word are put back in the correct order.
GCompris
GCompris is a high quality educational software suite, including a large number of activities for children aged 2 to 10.
地理坐标
获取我们免费的在线数学工具，用于图形，几何，3D等！
字典
该程序使您可以在单词或短语中搜索不同类型的字典服务，并向您显示结果。
大理石
Marble 是一个虚拟地球仪和世界地图集——您的地图瑞士军刀，您可以使用它来了解有关地球和其他行星的更多信息。
群星
Stellarium is a free open source planetarium for your computer.
康星
KStars is a Desktop Planetarium by KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time.