Cowboy:

CmdHUD - or CommandHUD, allows resizing of the command map on the fly. The inventory screen is also changed to allow you a full screen view of your surroundings.

DemoHUD - activates while viewing demos. It can fast forward, pause, and slo-motion any demo. Perfect for  getting that screenshot just right.

FlagCapsHUD - keeps track of your best cap times for all maps. Very handy if you want to time yourself. 

mHUD - places custom reticles for each weapon, including Grenade and Mortar range finders. 


Crunchy:

DropHUD - enables quick dropping of items for members of your team. Wanna drop mortar ammo? What about health? 

Flag Response - automates flag events. It Yells when  flag is taken and also updates your screen when other flag events occur.

ItemHUD - tracks all of your mines, grenades, beacons  and health. 

ObjectiveHUD - tracks all objectives onscreen for all  ctf, d&d, f&r, etc. No more entering the options  screen!!!

TeamScorHUD - displays the scores for all types of maps, including ctf, c&h, f&r, d&d.

TeamSizeHUD - displays the number of players on each team, as well as those in observer mode.

Fudge:

TinyCapHUD - tracks all flag caps.

TniKillHUD - tracks all kills/deaths.

Plague:

Suicide - Suicide messages.

MrPoop:

AutoPoint - The smartest flag waypointer around.  Has both flag auto waypointing and manual.

SuperHealth - Get better faster at INVs.

Presto:

Presto Pack 0.93 - The groundwork which made most all of these scripts possible.

Rayn:

AmmoHUD - What ammoHud will do is display a meter, that is by default placed under your energy bar,  representing the percentage of ammo you have remaining.

DropTimer - Automatically starts when either your or the enemy's flag has been dropped. It counts down until the flag is returned to the stand.

PingHUD - Displays your ping to the server and back.  It's very handy to keep track of your lag, and adjust  your playing accordingly.

WarPoints - Enables you to set your waypoints with a few quick keypresses. You can set your waypoint to friendly players, enemy player, as well as flaggers.

SixStringz:

Duel - is a nice little script that aids in the sync of dueling matches. It ensures a fair start.

AutoDrop - is set to discard the pesky blaster gun if  you choose to do so. If you don't want this, feel free to disable. v-g-e

Mag - or Mine and Grenade, throws a mine and a grenade at minimum velocity. (great way to whack unsuspecting victims at invs)

Moo - moos.

Vektor:

Omega - allows you to create custom messages and animations from right in the game.

FPSHUD - quite simply displays your Framerate Per second

Writer:

AmmoCheck - automatically picks your next weapon if no weapon is in hand. It also switches weapons if you current one is out of ammo.

AmArmor - announces what type of armor you are wearing upon exit of an INV.

AmDeploy - announces what object you are deploying. 

AmPowerDown - announces if the power is down.

AmRepair - announces what object your repairing.

AmThanks - auto thanks others for repairing you. 

AmStationDown - announces that the stations are down.

AutoRepairKit - automatically uses repair kits if you pick them up. Disabled by default.

CrouchToggle - allow you to toggle crouch mode on and off. Usefull for sniping.

Custom weapons - allows you to bind more than one weapon to a key. Example: you press "1" once to use the Disc, you press "1" twice to use the chain.

DropAmmo - drops all uneccessary ammo. Disabled by default.

FastFavorites - allows you to preselect your loadout before you even enter the INV. Upon entering, it autobuys whatever you selected prior to entering. *NOTE* it can be customized to your liking.

FireOnMyTarget - auto announces "Fire On My Target!" everytime you point the targetting laser.

Jump - allows for automated skiing. Much better than manually doing it.

KeepMoving - allow you to keep moving in the selected direction automatically. Hands-free walking. Disabled by default.

Laser Ready - Places an energy bar beside your Laser Rifle and adds the sound "Ready!" when the laser is at full power.

LitterBug - allows quick dropping of items from the INV station. VERY USEFULL!!!

MMBRepair - is designed to pack some nice features into your middle mouse button. Disabled by default.

Switches - back to previous weapon when repair pack is turned off.

PDADance - automatically performs random movements while away in the commander mode. This function is now  obsolete thanks to CmdHUD. Disabled by default.

PilotMode - autoswitches your mouse sensitivuty all the way up upon entrance to a flyer. This allows for more accurate flying without breaking your wrist while trying to steer.

SmoothZoom - allows smooth zooming in and out.

TapThrow - can throw all grenades or mines one after the other at maximum velocity. It also can show a power meter allowing for more accurate tossing.

xHUD - displays current zoom position on screen.  Disabled by default.

Zear:

NewOpts 0.964 - Enables scripters to implement GUI's for their scripts.

ReticalCompass - places a compass arrow in your reticle. Optional distance meter.

TeamDamage - auto apologizes, and auto scalds for team damage.