I asked the same question a week ago and got some great answers: https://news.ycombinator.com/item?id=22032891 https://news.ycombinator.com/item?id=22032891 TL

I asked the same question a week ago and got some great answers: https://news.ycombinator.com/item?id=22032891 https://news.ycombinator.com/item?id=22032891 TLDR: There are many different types of simulators.