Marble aikace-aikace ne na duniya wanda ke ba mai amfani damar zaɓar tsakanin Duniya, Wata, Venus, Mars da sauran taurari don nunawa azaman ƙirar 3-D. Software ce kyauta a ƙarƙashin sharuɗɗan GNU LGPL, wanda KDE ta haɓaka don amfani da kwamfutoci na sirri da wayoyin hannu. An rubuta shi a cikin C++ kuma yana amfani da Qt. Marmara yana nufin ya zama mai sassauƙa sosai; bayan ƙirar dandali na giciye, ana iya haɗa ainihin abubuwan da aka haɗa cikin sauƙi cikin wasu shirye-shirye. An ƙera shi don aiki ba tare da buƙatar haɓaka kayan aikin ba, amma ana iya ƙarawa don amfani da OpenGL. Muhimmin maƙasudin ƙwarewar mai amfani shine cewa aikace-aikacen yana farawa da sauri cikin sauri, yana jigilar kaya da ƙaramin saitin bayanan layi amma mai amfani (5-10MB). Masu ba da gudummawa sun ƙara tallafi don tushen taswirar kan layi kamar OpenStreetMap da ikon fassara fayilolin KML. Marble kuma yana ba da damar tsara hanya. An haɓaka yanayin kewayawa mai suna MarbleToGo a matsayin wani ɓangare na Google Summer of Code 2010. Daga baya an sake rubuta shi a wani yanki kuma aka sake masa suna zuwa Marble Touch. Geothek cokali mai yatsu na Marmara yana ƙara ƙirar ƙididdiga, taswirorin pixel, da kallon 3D. Mawallafin Austriya Ed. Hölzel azaman software na atlas don azuzuwa.