One obvious source is Aspell; download various languages and then do
where lang_code is the language code used in Aspell, e.g. ru for Russian, etc. However, many of the dictionaries are in their respective alphabet and UTF8-encoded. But many are with latin alphabet, so for those that are it's a nice source.
Code:
aspell -d lang_code dump master | aspell -l lang_code expand > lang_code.dictwhere lang_code is the language code used in Aspell, e.g. ru for Russian, etc. However, many of the dictionaries are in their respective alphabet and UTF8-encoded. But many are with latin alphabet, so for those that are it's a nice source.