[rednovae]

https://github.com/endeav0r/hsvm - 16-bit virtual machine with a bunch of reversing and exploitation challenges.

https://github.com/endeav0r/rdis - Visual reverse-engineering tool for Linux with custom graph layout stuff.

[kristopolous]

That documentation is so awesome.

You may think about doing a version with https://github.com/kristopolous/BOOTSTRA.386 ...