Can do lots of formats:
- 7z format
- RAR with
p7zip-rarinstalled - zip
But use only for 7z, which it was made for.
With 7zip, you can open .exe files to extract their inner data.
7z looks like the best option besides mounting a loop back device: http://unix.stackexchange.com/questions/70738/what-is-the-fastest-way-to-extract-an-iso
7z -x a.iso