I am not sure that many links to ddowiki are needed. The site itself is pretty self-explanatory. This also makes our link section look extremely crowded.

These are my own links (I tried to cut from them if I saw duplicates so I hope there are not many identical with those suggested by Jimmy):
DDO planner: http://ddo.motd.ru/
DDM’s Realm: http://www.ddmsrealm.com/ddo/index.aspx
Stone of Change Wiki: http://ddowiki.com/page/Stone_of_Change_-_Recipes#Adamantine_Rituals
Stone of Change forums: http://forums.ddo.com/showthread.php?t=132855
RoBi3.0’s F2P Guide: http://forums.ddo.com/showthread.php?p=2396345
Rachna’s builds: http://forums.ddo.com/showthread.php?t=173046
Tihocan’s paths: http://forums.ddo.com/showthread.php?t=232660
Binn05’s clerics: http://forums.ddo.com/showthread.php?t=310592
Sirgog’s clerics: http://forums.ddo.com/showthread.php?t=223253
Irinis’s bards: http://forums.ddo.com/showthread.php?t=275472
Self-Sufficiency: http://forums.ddo.com/showthread.php?t=301294
DDO forum links: http://forums.ddo.com/showthread.php?t=173568
Crafting 101: http://forums.ddo.com/showthread.php?t=320077
Official Crafting: http://compendium.ddo.com/wiki/Cannith_Crafting_Guide
Unique Loot: http://forums.ddo.com/showthread.php?t=249178
Static Rewards forums: http://forums.ddo.com/showthread.php?t=121279
Static Rewards Wiki: http://itemwiki.cubicleninja.com/Default.aspx
Shroud craft: http://ddocrafting.com/index.html
YourDDO: http://ddocrafting.info/index.php
Shroud crafting: http://www.iro.umontreal.ca/~delallea/ddo/shroud/index.php
Shroud crafting planner: http://perfectweb.org/ddo/crafting/new/base_crafting.php
Epic Item Review: http://forums.ddo.com/showthread.php?t=289273
The Great Big TR Checklist: http://forums.ddo.com/showthread.php?t=355152
Collectables List: http://forums.ddo.com/showthread.php?t=155251
Clickies: http://forums.ddo.com/showthread.php?t=85729
myDDO lite: http://www.ddostuff.com/myddo.aspx
Raid Readiness: http://forums.ddo.com/showthread.php?t=292203
Patron Favor and Rewards: http://forums.ddo.com/showthread.php?t=218367
Achievebalance: http://achievebalance.com/ddo
Guild level scoreboards: http://ddo-daily.com/guild-level-scoreboards
Adventure Packs: http://forums.ddo.com/showthread.php?t=287854
Best XP Quests: http://forums.ddo.com/showthread.php?t=279762
Farm XP: http://forums.ddo.com/showthread.php?t=204707
DDO Quest List: https://spreadsheets.google.com/ccc?key=0AoF-w-4LAfuYcmIxd1NnNkhMWGpTdVBMaTQ1RTJ3Q1E&hl=en#gid=0

If you think any of the above are useful please feel free to share them. Cheers all!

I would agree that only one link to the DDOWiki is needed, as the wiki has an excellent search engine as well as being easy to navigate.