For improving game's translation, all main data files are posted here including some editors. Translators can/should post their updated files when completed (!) here too to avoid duplicate work.
General advice is to save your changes I'd say each half an hour, maybe more often, because you'll sure once notice it too that pressing the enter key the wrong time means the editor closes itself without saving. Happened to me a lot of times and it's kind of frustrating. It does this because the exit button is underlined by default so once you are out of the text box and hit enter, it executes the exit button and quits program, so be careful with that
. Ship and building editors can be found in bote installation folder ../data/buildings/ or ../data/ships/ where all your finished files also need to be copied in in order to test them out in-game.
Minor race editor:
http://www.botf2.com/bote/Shared%20Documents/MinorraceEditor_V1.3.zip usage hints: copy the editor into the folder where the minorraces.data file is located, then save and open the file with the minor race editor you copied into the same folder
Latest files can be downloaded with full installer package (Alpha 6.1 version) here:
http://www.heise.de/download/birth-of-the-empires.html (german magazine website)