OldSkools ProMod Installer gives you an updated list of the available mods for the current version of WoT and lets you pick the mods you want to install. All you have to do is select the mods and this tool will download the mods from the internets and install them into your World of Tanks folder. Updated for WoT 0.9.13
You can find the whole list of available mods in the more info link or the installer itself.
Available in English and German.