City of Helsinki
Helsinki is moving to open source to avoid vendor lock in.
Here's one politician's explanation: <a href="https://translate.google.com/translate?hl=en&sl=fi&tl=en&u=http%3A%2F%2Fotsokivekas.fi%2F2015%2F04%2Fhelsinki-siirtyy-avoimeen-koodiin%2F" rel="nofollow">https://translate.google.com/translate?hl=en&sl=fi&tl=en&u=h...</a>