Cirk's Targetz
Adds a couple of lines of text to the bottom of your tooltip when you mouse over a potential target showing who else in your party or raid is currently targetting that mob.
WoWInterface
CowTip
CowTip is a customizeable, tag-based tooltip addon. CowTip isn't meant to be the smallest addon humanly possible, but it will be clean and configurable.
Curse
CursorCompanion
Extremely simple addon that attaches the Game Tooltip to the mouse cursor.
WoWInterface
FreebTip
FreebTip changes the default look of the game tooltip. It has no in-game configuration, so check the .lua file for options.
WoWInterface
ManyItemTooltips
Allows you to open an unlimited number of item tooltips (as well as profession, spell, quest, talent, and achievement tooltips).
WoWInterface
MoncaiCompare
EquipCompare. Many have used it, many loved it. Then, Blizzard added it's own implementation. However, this requires you to hold the shift key every time. Not anymore! MoncaiCompare is a lightweight addon with zero overhead to bring you the comfort of the original EquipCompare using as much as Blizzard's own code as possible. Automatically showing comparison tool tips in the bank, at the auction, in your bags, when looking at quest rewards and when clicking item links.
Curse
RantTooltip
Modest, efficient, customizable tooltip. Features: GUI Options, Anchored to cursor by default, Ability to anchor the tooltip anywhere, Option to change color scheme (unit name color, guild color, bg color, border color), Unit Reaction Color or Class Color borders and likewise colors for unit names all included in the colorScheme table, The tooltip's font is completely customizable, including the ability to add font flags (OUTLINE) etc, Displays the unit's target, displays Talents including talent tree, Combat Icon, Raid Icon, PvP status, player guild, Player Titles, Item Quality Borders, Custom Health Bar Texture, Optional mana bar display, Status bars can be displayed on the inside of the tooltip if desired, Scaling.
WoWInterface
tekKompare
Simple item compare tooltips.
WoWInterface
Tipsy
Simple tooltip repositioning addon. Tipsy is the next generation of the addon LitheTooltipDoctor and replaces it. Tipsy does not have native FuBar support, instead opting for the minimalistic capabilities provide by LibDataBroker launcher support. If you use an LDB display addon (like StatBlockCore or ButtonBin) this will drop right in. If you want to use this addon with FuBar, you can use Broker2FuBar.
Curse
TipTac
TipTac is a tooltip enchancement addon, it allows you to configure various things such as changing the tip anchor, the font, the scale of tips, plus a lot more.
It can also show a special tip window for units instead of the normal one, which allows for extra customization, such as having it show buffs, debuffs, health and mana bar, this can of course be disabled if you prefer the normal tip.
Config: /tip
WoWInterface
TipTop
Very lightweight tooltip addon that seeks to modify the default tip instead of replace it. Features:
class-colored border for units,
added target text line,
"faded" tip if unit is tapped, dead, or offline,
custom border, background, and status bar textures,
ability to move the tooltip or attach to cursor,
health percentage shown on statusbar,
health bar moved inside tooltip,
item-quality colored border for items,
raid icon display. Configured through the Lua code.
WoWInterface
ToolTipTabs
ToolTipTabs allows you to open many different chat links at any one time. Each time you open a new link it is added to the tooltip and receives it's own tab on the left hand side. You can switch between these with left mouse button. Not only does it allow multiple tabs to be open, but also multiple tooltips. So, you can have 2 tooltips open, maybe one with 3 tabs and the other with 6.
WoWInterface