An anonymous reader writes "I recently joined a startup, we have about 10 people altogether in various roles / responsibilities, and I handle most of the system / IT responsibilities (when I'm not in my primary role, which is software development). When trying to price licenses, I'm finding Microsoft offerings require quite a bit of upfront cost, so I'm trying the alternative solutions. LibreOffice and Google Docs work fine for the most part (we also have some MS Office users); however I'm having trouble getting a good / cheap / free solution to email, contacts, calendaring and user management in general. We have some Mac users, Windows users, need desktop clients for most of these uses as well — and there doesn't seem to be a solution that satisfies these myriad combinations." (Read more, below.)