WowAce

Another HUD addon

Smooth combat HUD based on ArcHUD2

Show buffs on nameplates.

Alternate Power- and Combopoint/SoulShard/HolyPower-bar

Aloft

Simple and rich Death Knight rune customizations

Simple, nice-looking power bar addon for all classes.

Visual Raid Cooldown Tracking

ArcHUD2

Monk Brewmaster/WindWalker Priority and Buff/Debuff Tracking Tool

Display an informational fighter jet style HUD while flying or riding

Displays your soulshards in better way.

Comergy 2

Heads Up Display with Player and Target Info

Provides training reminders to help decipher the Blizzard Spell Alerts.

"Range finder/display for Discipline's Holy Nova"

Shows a frame to track your Pyrite debuff on Flame Leviathan and it's trash. Completely based on MalygosStacks by Nebula.

VendorSearch adds search features when buying items from any vendor

Very basic viewport setter

Enables cooldown notification between players and allows party members access to each-others spell books.