7zip

Can do lots of formats:

• 7z format
• RAR with p7zip-rar installed
• zip

But use only for 7z, which it was made for.

With 7zip, you can open .exe files to extract their inner data.

ISO extract

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