Few useless scripts which can help in particular tasks:

• compare.py - recursively compares two directories, doing diffs with files, printing deleted or added files/categories etc.
• disksize - recursively scan given path and count it's size (return list of big files etc)
• ext.py - extracting tool - wrapper for rar, zip etc
• filecase - change case of filenames/directories (GREAT -> small, small -> GREAT or swap case)
• gallerygen.py - generate simple, static gallery
• genpass.py - generate random password
• killer.pl - show process table (result of ps), and allow to send any signal to selected processes via browser
• mke.py - GUI for create custom keybindings in Metacity. Just execute, no arguments required.
• napi - find subtitles to any film with napiprojekt.pl
• pdmanager.py - manage your password database
• perms - recursively apply permissions, different to files and to directories
• r2j.pl - extract JPEG embedded in raw image
• rdiff - allow to compare both, local or remote, files (uses local diff command)
• rstool.py - simple script to download, get statistics and check urls in RapidShare
• sat.pl - simple tool for static analysis
• svnstat.pl - get some statistics for Subversion repo
• wwwshell.php - simple php script to execute shell command (usefull when your hosting doesn't provide shell...)