MiRai's addons (compiled from his screenshot)
Align - throws up grid on your screen to move ui elements "just right"
Auctionator - duh
autorole - AutoRole sets your role based on your current specialization automatically
Badboy - Spam blocker and reporter
cError - Blocks all red error spam messages from the middle of your screen, such as "You are too far away!".
chatsounds - guild and party messages make a sound.
clique - click-casting and hover-casting on your unit frames and in the 3D game world.
crosshairs - Adds an animated crosshair to your target's nameplate for better visibility.
dominos - replaces buttons and parts of UI YouTube
drash questcompletesound - play a sound and display quest's name when you finish a quest.
ferous media - UI art like button fascade
friend color - colors your friend list based on raid colors
higher hotkey - raises the hotkey text above cooldowns, flashing borders and other stuff like OmniCC
leatrix plus - expert ui suite
mapster - map enhancement
masque - Art, UI reskin
move anything - enables you to move, scale, hide and adjust transparency of just about any screen element
oglow - oGlow will light up your items, by adding a quality border to them
omnicc - cooldown indicator action & inventory
opie - radial action-binding addon YouTube
parrot - combatlog,offers a Trigger-system to display Text and play sounds on certain predefined events
prat - chat logs
pvpsound - plays Unreal Tournament 3 sound effects on killing blows and specific Battleground events
qusemap - lua hackable square map
safequeue - Battlegrounds que helper
saysapped - instantly say "Sapped" to alert those around you whenever a rogue saps you.
scrap - Scrap sells all your junk when you visit a merchant.
sharedmedia - art library for addons fonts etc..
skada - damage meter YouTube
smarttargeting - automatically swaps your key bindings for "target nearest enemy" and "target nearest enemy player"
addonmanager - helps you keep track of your addons and provides easy ways to access them
tidyplates renaitre - enhances World of Warcraft's floating health bars - commonly known as 'nameplates' YouTube
tiptac - tooltip enchancement
tullarange - action buttons change color when out of range, power, resource etc...
xloot - Replaces the Loot Frame, adding more information and behavior/appearance options
xlootgroup - Group frames display current roll choices, the rolled numbers, and the winner.
yclassclors - colorize player names by their class in friend list, who list, guild list, etc..
zonedefense - world pvp alarm convenience
_corpse - tells you the faction, online status, and other information about corpses you see.
_cursor - customizable cursor trails to your UI
auraframes - displays buff debuffs custom able ordering, coloring and animation
aurora - restyles the default Blizzard interface to a clean, minimalistic theme
badboy cccleaner - Removes chat lines that contain certain words, add your own filters
badboy guilded - Remove guild adverts from whispers/General/Trade/LFG
bagnon facade - reskin your Bagnon windows with any ButtonFacade skin.
bagnon scrap - Makes all your Scrap to glow in your Bagnon panels
bgspy - enemy team talent specialization reader and reporter
guildicons - ?
inflight - flight timer mod
kgpanels - Create panels for customizing your UI[
merchantfilterbuttons - Replaces the "two click" merchant filter drop down menu with "one click" buttons
norealm - removes the realm from cross-realm player names in the chat.
ouf - unit frames foundation
ouf_experiance - element plug-in made for the UnitFrame framework oUF
ouf fail - changes the orientation of the power bar to the top of the frame. (small arrow)
ouf_reputation - element plug-in made for the UnitFrame framework oUF
guildbanksearch - adds a filter to your guild bank window to easily find things in cluttered tabs
postal - enhanced mailbox support
skadacc - track Crowd Control spells cast by and on your group
sldatatext - some kind of data text
spell alert - audible warning for enemy spell casting.
Fontain - font stuffs
Ferous Media - A collection of textures
BubbleBobble - chat bubble replacement
aura frames - Aura Frames allows you to display any kind of buff or debuff on any given unit with highly customizable filtering, ordering, coloring and animation functionality.
confirmleaveparty - I wrote it after one too many experiences with being instantly teleported out of a random dungeon after misclicking on Leave Party.
merchant filter buttons - Replaces the "two click" merchant filter drop down menu with "one click" buttons.
I substituted spell alert for your custom interrupt alert addon
Connect With Us