Thunar ndi woyang'anira mafayilo a Linux ndi makina ena ofanana ndi Unix, omwe poyamba adalembedwa pogwiritsa ntchito zida za GTK+ 2 ndipo kenako adatumizidwa ku zida za GTK+ 3. Idayamba kutumiza ndi Xfce mu mtundu 4.4 RC1 ndipo kenako. Thunar idapangidwa ndi Benedikt Meurer, ndipo poyambirira idapangidwa kuti ilowe m'malo mwa XFFM, woyang'anira fayilo wakale wa Xfce. Poyamba ankatchedwa Filer koma adasinthidwa kukhala Thunar chifukwa cha kusamvana kwa mayina. Thunar idapangidwa kuti iyambe mwachangu komanso kumvera kuposa oyang'anira mafayilo ena a Linux, monga Mafayilo a GNOME ndi Konqueror. Kufikika kumatheka pogwiritsa ntchito GNOME Accessibility Toolkit. Monga Xfce ena onse, Thunar adapangidwa kuti azitsatira miyezo, monga yomwe yanenedwa pa freedesktop.org. Thunar ndi yosavuta komanso yopepuka popanga, koma magwiridwe ake amatha kukulitsidwa kudzera pamapulagini.