Atlas Turtle-WOW Everything for dungeons: shows a map of dungeons, quests for them, drops from bosses and profit from professions TW edition.
Aux-Addon Replacement of the standard auction window, expanding its capabilities.
Better_RaidMarker Easy tagging.
BGAssist
BigWigs TW Bossmod with timers (similar to DBM).
CallOfElements Makes it easier to use Shaman totems.
ChatBar Quickly switch between chats.
DamageMeters
DebuffTimers Adding timers for enemy negative and positive effects.
Decursive Quickly remove debuffs from yourself, a group or a raid.
DoTimer Tracks debuffs on the target and buffs on the character.
EasyWho Improved list /who
enemyFrames Shows the enemy team's frames on the bg, as well as important debuffs on the target.
EngBags Sorting items in bags and in a bank, remote bank.
Eql3 Expanded quest window and comment database from wowhead in WOW.
EquipCompare Comparison of the wearable and this item.
EVTCalendar WOW Cataclysm style calendar
FuBar 2.0 Panel for modules with useful information.
Gatherer Remembers the location of ore, herb, and chest deposits on the map.
HonorSpy Collecting information about the number of honor points of players, and calculating your rank based on this data.
Informant The price of the items (its own base - no need to go to the seller), what class the item belongs to, etc. in the hint window.
JIM CooldownPulse Notification that your important abilities have finished recharging.
KLHThreatMeter Table with calculation of aggro for each player on the mob/boss.
LoseControl Displays a spell that causes the character to lose control.
Mail Sending more than one item via mail, collecting all mail
https://github.com/shirsig/Mail
MasterTradeSkills Displays in tooltips for which professions this reagent is available.
MetaMap Upgrading map with the ability to take notes.
MikScrollingBattleText Changing the visualization of battle text.
MobInfo2 Calculates and displays the amount of health of the target after damage is dealt, remembers which creatures dropped certain items, etc.
oRA2 Checking the readiness of the raid and monitoring the raid.
pfUI Modifies the entire interface (elvUI for 1.12) https://github.com/shagu/pfUI
pfUI-eliteoverlay Addition to pfUI, adds a dragon mark for an elite creature https://github.com/shagu/pfUI-eliteoverlay
QuestieRU The best addon for quests, shows the location of quests, as well as the locations of quests not yet taken. Ctrl+Shift+LClick to move the job tracker.
RecipeRadar Indicates the location of missing profession recipes.
SaySapped Informs the chat that you have been snooped.
SmartHeal Selects the maximum possible level of your healing spell depending on the amount of your mana and the target's health.
SpecialTalent Expanded talent window.
SP_SwingTimer Your next auto attack bar.
SpamThrottle Spam filter: goldsellers, etc. won't hurt anymore
vQueue Search for comrades in a dungeon or raid (taken from chat).
WIM Convenient window for personal messages, spam filter in PM.