What's your favorite tool to create a reusable development environment

I know that every tool has its own goals and strength. Some tools may focus on other things but can be used to create a reusable development environment. I am not an expert of these tool and just want to learn what is out there and what is preferred by developers. I someone noticed some items that really do not belong in this list, please let me note in the comments.

1 9 years ago 0 Comments 3 Items