If you mean to translate the various UI elements of Cayenne, we don’t have it at this time, but I think I have a pretty good workaround. I installed this Google Translate Chrome extension
With that in place, I can use it to translate Cayenne to any language of my choice. It’s not perfect, it seems to cause a few layout issues and misses a few bits of text (and the translation is only as good as Google is). But it’s a lot better than nothing!
Here is one of my Cayenne dashboards in Google-translated French