Unity Procedural Generation Toolkit
A downloadable toolkit for Windows and Mac OS X
Right now, this contains three 2D level generation algorithms - a cellular cave algorithm, the growing tree maze algorithm, and a uniform dungeon generation algorithm. You can see gifs of them in action in the screenshot section.
I plan on expanding this package to include more algorithms and more traditional roguelike features, but for now consider it a starting point for making more complex procedural generation stuff.
Click download now to get access to the following files: