I seem to lose my links every now and then. Here are the important Arma 3 links for mods, missions and tools.

https://community.bistudio.com/wiki/setUnitTrait
https://community.bistudio.com/wiki/Arma_3_Respawn:_New_Respawn_Screen

Waypoint types
Revive Scripts
INS Revive
FAR Revive
Grimes' Revive
A3 Wounding System
BTC revive

Logistics
Dead Simple Vehicle Restrictor
Mag Repack
FHQ Task tracker

Missions
Ghost Missions
Patrol Ops
FHQ Mission Pack
Insurgency by Fireball

Classnames
BI wiki Items
BI wiki Weapons/Mags
BI wiki Equipment
Six Config Browser
Six Config Backpacks

Development Tools
PBO manager

A way to use the End Game spectator script.
https://forums.bistudio.com/topic/18.../#entry2945507

http://www.armaholic.com/forums.php?m=posts&q=33132