Description

with the Questie wotlk pre-patch update, for Horde character it shows some Alliance only quests as available which are not:
[18] WANTED: Murkdeep! in Darkshore

In the advanced search, Quests by Zone -> Darkshore, the following are now listed as missing pre-quests but these are Alliance only:
[12] Buzzbox 411
[14] Buzzbox 323
[14 The Fragments Within
[16] Buzzbox 525
[17] Return to Onu
[17] The Twilight camp

and in Teldrassil:
[10] The Sprouted Fronds
[10] The Glowing Fruit
[10] The Shimmering Frond

and in Duskwood:
[35] Digging through the Dirt

and in Elwynn Forest:
[2] Kobold camp cleanup
Hinterlands -> [45] Troll necklace bounty

All "Learn to ride in xxx" quests shows up but these are not available (I am guessing because my character is level 70)

In Mulgore, the following two quests are shown up as missing pre-quests but unavailable:
[7] Thunderhorn Totem
[10] Wildmane Totem

[59] Conquering Arathi Basin is listed as a quest in the zone Arathi Highlands but this is a PvP quest

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The following quests shows up as available in Questie but not in game
Hillsbrad foothills -> [20] Report to Tarren Mill
Silverpine forest -> [15] Delivery to the Sepulcher

Searing Gorge lists quest: [60+] Gaining Acceptance as available even though I am not a blacksmith

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[40] Taretha's Gift (508) is a Horde only quest but is listed in the Missing Pre Quest section for Alliance characters

The following three quests are listed under "missing pre quest" section for Silverpine Forest for Alliance Character but they are Horde only:
[14] Maps and Runes (478)
[18] The Hidden Niche (461)
[18] Wand to Brethor (491)

A bunch of quests are listed in Dun Morogh in the advanced search as available but are actually not seem to be available:
Press Fire (25295)
In and Out (25285)
Basic Orders (25199)
One Step Forward... (25289)
Vent Horizon (25212)
Prepping the Speech (25283)
Words for Delivery (25500)
A Few Good Gnomes (25229)

Two quests in Dustwallow Marsh listed as available for Alliance characters but apparently not:
[4] The "Chow" Quest (123) aa COPY (11578)
[4] The "Chow" Quest (123) aa COPY (11579)

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The following quests are listed for Alliance characters as available in Mulgore but they are Horde only:
[4] Attack on Camp Narache (24857)
[5] Rites of the Earthmother (14437)
[6] Sharing the Land (14438)
[8] Dwarven Digging (14436)
[10] Journey into Thunder Bluff (14439)
[14] Rites of the Earthmother (14440)
[8] The Ravaged Caravan (751)

Wowhead link

Screenshots

Questie & WoW version

v7.0.1

I would also add, in addition to those, that in Dustwallow Marsh that the following are also not in the game as of Wratch Pre-Patch (discovered while trying to complete Loremaster of Kalimdor)

Proof of Trechery
Return to Jaina
Direhorn Raiders