WotLK

These add-ons are probably what you are looking for if you are playing on World of Warcraft: Wrath of the Lich King private server such as Dalaran-WoW:

1. Ackis Recipe List
2. Addon Control Panel
3. Atlas
4. Atlasloot Enhanced
5. AtlasMajorCities
6. Auctioneer
7. AuctioneerSuite
8. AutoRepair
9. Can’t Heal You
10. Carbonite
11. ClassLoot
12. CloseUp
13. Conjured Announcer
14. Cosplay
15. DBM
16. Deadly Boss Mods
17. DiamondThreatMeter
18. EasyLoot
19. Enchantrix
20. EveryQuest
21. ExplorerCoords
22. Fishing Buddy
23. GearScoreLite
24. Gladius
25. GM Genie
26. Grid
27. Gryphonheart Items
28. GTFO
29. HandyNotes
30. HealBot
31. IceHUD
32. Informant
33. Karni’s Crap Filter
34. LightHeaded
35. Loremaster
36. LoseControl
37. Mapster
38. MoveAnything
39. MP Reporter
40. NeedToKnow
41. Omen Threat Meter
42. Outfitter
43. Overachiever - achievement tools and tweaks
44. PallyPower
45. PetLeash
46. PlateBuffs
47. Power Auras Classic
48. Quartz
49. QuestHelper
50. RandomCompanion
51. Rebirther
52. Recount
53. Sell-O-Matic
54. Smart Error
55. SpellID
56. Stubby
57. SuperDuperMacro
58. TellMeWhen
59. TinyPad
60. TitanPanel
61. TomTom
62. Tongues
63. Trinity
64. WeakAuras 2

You may also find http://wotlk.openwow.com/ a useful website.