Our use case: our app has Russian (our native language) and English. We needed to quickly and easily add more languages (as requested by clients). Our translation files were a mess: duplicated strings, concatenation instead of placeholders, different string order in ru/en files, trailing spaces, and much more. So I wrote a helper tool to fix all of this. Now, adding a new language takes just 40 minutes and $2. It worked so well that I cleaned up the project and released it as open source. # Key feature: Translation into new languages happens from two source languages at once: the…