reminds you to take a break from typing

xwrits

reminds you to take a break from typing

xwrits helps you prevent repetitive stress injury.
From the "gut" start configuration

gvb

visual simulator of 1 and 2-dimensional vibrations

Good ViBrations (gvb) is a small program that aims at providing a nice interface to play with waves in 1 or 2 dimensions.
quickly and easily change video resolutions in X

gvidm

quickly and easily change video resolutions in X

Running gvidm will pop up a list of available modes and allows the user to select one if desired. This makes it perfect for running from an application menu or a hotkey, so you don't have to use ram for an applet constantly running. If you are running dual or multi-head displays, it will give you a list of screens so you can select the appropriate one.
I/O performance measurement and load generation tool

spew

I/O performance measurement and load generation tool

Spew is used to measure I/O performance of character devices, block devices, and regular files. It can also be used to generate high I/O loads to stress systems while verifying data integrity.
Audio file denoiser

gwc

Audio file denoiser

The Gtk Wave Cleaner (gwc) is an application that helps you in getting rid of noise and clicks in audio files. This is most commonly used when translating your old vinyl or old tapes to a digital format, but it can be applied to every soundfile that has a more or less constant noise level.
GNOME front-end for wget

gwget

GNOME front-end for wget