dRofus supports several languages. You can change language by going to Settings → User Settings → Settings. However, in dRofus, each project has its own standard language, irrespective of the language you have selected as a user, as most projects require background text and data entered in the program to be in the same language. When you log in to a project which has a different language than that chosen by you as user, the program will ask if you want to change to the project language. We recommend that you accept this choice.