###checkintegrity.sh : this is a shellscript that batch checks the integrity of multiple github/svn/hg repositories in a main directory, it should be executed from that main directory.
###tar.sh : batch tar and compress repositories inside a main directory, it should be executed from that main directory.
###untar.sh : batch untar and decompress repositories inside a main directory, it should be executed from that main directory.
###unzip.sh : batch unzip and decompress repositories inside a main directory, it should be executed from that main directory.
###add-apt-repository
This is a replacement for the tool found on ubuntu, it can be used to add deb repositories from launchpad to Kali or Debian.
in order to use it, just copy it to /usr/sbin and then in that directory in a terminal type :
sudo chmod +x add-apt-repository
sudo chown root:root add-apt-repository
Ps. I found a version of this tool on a forum, but it used full 'apt-get update' to get the authentication key. that seemed like a waste of bandwidth and time, so I edited it to only pull keys for the added repository.