Nentir Vale locations: http://web.archive.org/web/20130520012550/http://community.wizards.com/nentir_vale/wiki/Nentir_Vale_Locations
Points of Light timeline (ignore everything else on this mostly-fanon wiki): http://nentirvale.wikidot.com/world
D&D 4e Compendium (for those who still have Insider subscriptions): http://www.wizards.com/dndinsider/compendium/database.aspx
Compendium: http://funin.space
Guide compilation: http://www.enworld.org/forum/showthread.php?472893-4E-Character-Optimization-WOTC-rescue-Handbook-Guide
Offline compendium: http://www.mediafire.com/download/xuf1a608bv05563/Portable+Compendium+New.rar
Offline character builder: https://www.dropbox.com/s/pmxfg1d1a1ouu2v/4e%20CB.zip?dl=0
Offline monster editor https://mega.nz/#F!8A92kZwb!uBJimNZc9Uu-BiJaQgeJwQ (install the January update first!)
How to install the offline character builder: https://rogue-elements.obsidianportal.com/wikis/offline-character-builder - use the files in the previous link, NOT in this one, but follow the steps outlined here