Helgoland is a modern serif font, suitable for many different applications including posters, web design, storefronts and much more.
The font was designed with the following languages in mind:
Basque, Croatian, Danish, Dutch, Esperanto, Estonian, Finnish, French, Frisian, German, Hawaiian, Hungarian, Latvian, Lithuanian, Māori, Norwegian, Polish, Slovenian, Spanish, Swedish, Turkish.
This way it should contain most glyphs commonly used by almost every Latin language.
It's entirely free to use for personal and commercial use, have fun!