Miscellaneous Addons

ACP

Allows players to turn on/off mods and reload their ui in game instead of needing to log out. Also lets players make sets of mods.
curse

AdvancedInterfaceOptions

Restores access to removed interface options in Legion and ads a CVar browser for settings galore.
curse

AllPlayed

AllPlayed displays the total time played, rested XP and money for each of your WoW characters. It's just a snapshot of the current state, no history, no stats. You can look at the total time you have played WoW and be proud (or afraid ;-)).
curse

BlizzBugsSuck

After every patch there are often a variety of bugs that crop up in the WoW UI. Many of them go largely unnoticed by users. AddOn authors have often made small addons to fix these problems. This addon intends to create a single installation for users that include whatever fixes the community can come up with for UI problems. As new issues and workarounds are discovered they will be added. As old issues get fixed they will be removed. Users benefit by having a single addon they can just keep updated to get the fixes. Blizzard benefits by having a single addon to look for our workarounds to their problems and hopefully things get fixed sooner.
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BugSack

BugSack eases the process of capturing bugs. It captures information about Lua errors that occurred during your play session. It aims to be invaluable to developers, and a useful tool for players that use beta-quality addons. BugSack includes a FuBar plugin that displays the last 5 errors in the tooltip. It can also bring up a frame to display all other errors for the current session, or for any other session. The text of the error can then be copied & pasted to a source outside of WoW (for example the forums) so that other developers can determine what's at fault.
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CinematicCanceler

Automatically and immediately cancels all in-game cinematics and movies. CinematicCanceler ensures you are never stuck on a cinematic screen while important group events are taking place. In some cases can even prevent cinematic-related client crashes and freezes. Will print a message to chat when a cinematic is suppressed. You can hold any modifier key (shift, control, alt) when a cinematic is starting to allow it to play.
curse

Class Colors

Change class colors without breaking the Blizzard UI.
Config: /classcolors
curse wowi

ColorPickerPlus

ColorPickerPlus hooks into the standard Color Picker to provide: text entry for colors (RGB and hex values), text entry for the alpha value (transparency/opacity), copy and paste of a single color, a movable frame, a color swatch for the color that you will be replacing, a color swatch for the copied color that may be pasted. With these enhancements, you can precisely describe a color and coordinate colors within and between add-ons.
curse wowi

DejaCharacterStats

DejaCharacterStats provides an updated and logical display of the character stats.
curse

Flash Taskbar

This addon makes the wow icon on windows task bar flash/blink when WoW window ins't in focus (the window is minimized or you have another window in focus such like internet browser) and some events happen in the game.
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GuideLines

GuideLines allows you to create movable guides on the screen to aid in positioning UI elements, as opposed to most other UI positioning addons that only create lines that are rigidly spaced and unmovable. GuideLines also displays the exact coordinates of your cursor for precise positioning.
curse

LargerMacroIconSelection

Shows you a much bigger icon selection frame instead of the standard 5x4 one, for the 14650+ macro icons in the game. This works for Macros, the Equipment Manager and Guild Bank tabs.
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Leatrix Latency Fix

Leatrix Latency Fix will reduce your online gaming latency significantly by increasing the frequency of TCP acknowledgements sent to the game server. For the technically minded, this is a script which will modify TCPAckFrequency. You will see reduced latency in many online games including World of Warcraft, Aion, Warhammer, Lord of the Rings, and more.
wowi

Leatrix Plus

A collection of fixes for the little things in Wow which I think are missing from the Wow UI. Block duels, Block guild petitions, Block party invites, Prevent bag automation when using vendors and mailboxes, Show a gold elite chain around your player portrait, Automatically accept resurrection attempts, Hide the target and focus target minimap blips, Hide the death effect (grey glow), Hide the netherworld effect (such as Invisibility), Remove the full-screen glow (handy for hiding the drunken haze effect), Hide zone text (such as 'Ironforge'), Hide subzone text (such as 'Mystic Quarter'), Hide duel messages in chat (unless the duel is yours), Hide dual-spec spam when you switch specs, Use classic enter key functionality in the chat window, Hide errors in the error frame (eg. 'Not enough rage'), Hide information messages in the error frame (eg. quest updates), Resize quest log detail text, Show your random dungeon cooldown, Hide the "Choose your role" window in the Dungeon Finder. JuniorDeBoss Youtube Review
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MaxCam

Returns the max camera distance
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NoTitle

Prompts to remove any character’s title when you log in if it isn't the one you’d last manually set for yourself. This is almost always a new character displaying one of your titles at random but it seems that characters that haven’t been logged into in a while sometims get random titles set for them, too.
wowi

Speedy Load

Speedy Load disables certain events during loading screens to drastically improve loading times.
curse

tekability

A simple durability frame which adds a percent to the equipment icons in the char panel. Also provided is a LibDataBroker datafeed for the overall average durability, with item details in the tooltip.
wowi github

TinyPad

TinyPad is a notepad mod with link support. Plugins: Broker Tinypad
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ToyPlus

ToyPlus is a compact launcher for the toy box. It also includes access to your favourite toys via Databroker or the minimap icon menu.
curse wowi

xanErrorDevourer

This addon allows you to hide or block standard error messages that occur when you use skills or object. It's the red text in the middle of your screen that constantly annoys you with things like, "Your too far away!", "Not enough mana.", etc...
curse wowi