Enhanced cd (ecd) combines the functinionality of several builtin shell commands for changing the current directory. It has all the features of cd, pushd, and popd, while adding some additional features. It can automatically execute certain scripts when entering or leaving a directory, and it maintains a menu-driven history list to assist in changing to prior directories. Since it is implemented as a shell function, it resides in the shell's memory and executes with no visible delay. And since functions do not fork a subprocess, all executed commands are able to affect the current shell.
OpenSDE is a kit for creating customized operating systems based on GNU/Linux. OpenSDE has an easy configuration tool which allows anyone to put together their own GNU/Linux distribution that addresses their specific needs. OpenSDE supports over 2400 software packages and the number is still growing.
Vidrate is a tool for allowing multiple people to vote which video files of a database should be kept. This tool can help you to quickly free some space on your file server without specifically asking all the server's users which movies should be kept. The interface also allows you to mark videos as seen and to assign comments. Included is a cron job that periodically scans the video directory for new or deleted videos and also deletes videos that have the required number of votes.
fillrio.sh is a standalone shell script that loads random MP3 files to all available memory in your rio. The RIO utility is required to interface with the RIO hardware. Special features of this tool include the ability to recursively scan your music archive directories, specify search strings and add to what's already loaded.
Teractualizar is a daemon to synchronize files using SFTP as a secure transfer method. It also features the ability to upload and execute any application or command, which can be used to manage clusters of computers. It requires only baaic Unix commands, an SSH client, and the SFTP service. Currently, the client side of this system only runs on Windows NT (and derivative operating systems).
YAPB is an easy way to create a fully functional IRC bot that runs on a Web server. Its features can be expanded by adding your own modules, written in PHP. It can run in the background or the foreground, and displays debugging information on screen when running in the foreground.