---> Homepage of the open-sourced original Sim City, now called Micropolis <---
Recently I saw some people saying how they wanted a legit copy of the original Sim City. Well everyone, there is no need to fork over your hard-earned bucks for one, because the game has been open source and Free for five years! You can download and play on your personal computer, play it online in a Web browser in any of multiple languages, or even play a Facebook version (if that's your thing). For all this and more, see the official Micropolis Web site. And yes, it is officially blessed and sanctioned by the original creators and IP holders - that is why the name was changed to Micropolis.
FUN FACT: SimCity was originally going to be called Micropolis, but the name was considered too hard to spell and remember, while "SimCity" seemed self-explanatory.