If your Mac is ever stolen and Mac Calls Home is installed, it will inform you of its location by using an existing Internet connection. It will try to send as much information as possible about the location, and if an iSight camera is available, it will snap a picture and send it to you as well.
Yessh is a bash program that uses the SSH client. It provides fast connections to Linux/Unix hosts. Just type the name you have chosen for a host, and yessh will connect you via SSH. You don't need to remember the IP address, hostname, login, or password; just one arbitrary name. Accounts with passwords are kept in a secure file where passwords are encrypted using OpenSSL with 128-bit AES. You can use the autoconnect function to connect to your server with 5 keypresses.
MBFL is a collection of libraries for the GNU Bash shell. It is an attempt to make GNU Bash a viable solution for medium sized scripts. A set of modules implementing common operations and a script template are offered by this package. The author has used them with success in implementing non-small scripts.
The censorship tools are a collection of bash scripts for comparing DNS server answers to get the blacklist from the censored server and to make the DNS censorship transparent; downloading censored URLs for teasing the censorship or tuning of censorship statistics; and other functions like opening all censored pages of a blacklist with a browser (e. g. with CensoRaser), and perform rDNS lookup of the sites to which the traffic to censored sites is redirected.