You know, google is not your friend... but duckduckgo and startpage are!
http://www.kali.org/ http://www.backtrack-linux.org/Read the documentation and you will find most software is actually in the reps. You can install in trisquel and use it. Same goes for TAILS, you don't need to install the distro (even if I maintain that it's good at doing what it does) you can simply install stuff like secure-delete and seahorse, etc. You can already take some steps towards security.
