.DS_Store enabler/disabler (opensource) - Mac OS X 10.4 or newer
Prevent OS X from creating new .DS_Store files on network volumes.

CleanUp smb mess v. 1.4
Quickly clean windows and samba shares from ".DS_Dtore" and "._*" files

change creatype
An easy way to change type and creator

Two disk ejecting utilities (Eject also the volumes that Leopard Finder doesn’t eject)
These utilities are two “one-trick pony” developed because sometimes Leopard FInder (10.5 and 10.5.1) no longer see mounted disk images, and the user looses the ability to eject them.
Apart of their original goal, the utilities can be useful if you want to eject several disks at the same time.

Localization switch (opensource applet, Mac OS X)
activate and deactivate the ".localized" files for Home folders

Maintenance v. 0.1 - Mac OS X 10.4
Permissions repair, prefs cleaning, logrotate.

PermitAll (opensource droplet)
A droplet that will set permissions to everything for everyone

Super Empty Trash v. 2.1, v. 2.3 - Mac OS X
empty trash with administrator privileges

tgzippa (opensource droplet, Mac OS X)
simple droplet to create tgz (tar-gzip) archives

Automator workflows (OS X 10.4 or newer)
Collection of Automator Workflows