Scan a category tree, find language links, find redirects to those, and check if these redirects are also wanted in the original project. Duh!
Currently checks de, en, es, fr, it, ja, nl, pl, pt, sv wikipedias.
Output format : Link to existing redirect or button to create new redirect ; number of times the redirect is linked to in the original wiki ; languages that have an article or redirect under that name.
Language
Category
Depth
Hide redirects that are not wanted