Online Server and player list:
http://online.riseofflight.net/en/ (http://online.riseofflight.net/en/)

RoF TeamSpeak
http://ts3.riseofflight.net/en/
 (http://ts3.riseofflight.net/en/)
Funny name, but useful traning videos, downloads, and info.
http://www.camelfag.com/ (http://www.camelfag.com/)

Mission downloads
https://sites.google.com/site/vintagemissions/Resources (https://sites.google.com/site/vintagemissions/Resources)

http://forum.aerosoft.com/index.php?/files/category/29-rise-of-flight-training-mission-campaigns/
 (http://forum.aerosoft.com/index.php?/files/category/29-rise-of-flight-training-mission-campaigns/)
https://sites.google.com/site/hornetsquadron/downloads (https://sites.google.com/site/hornetsquadron/downloads)

Maps, and other stuff
http://combatace.com/files/category/417-rise-of-flight/ (http://combatace.com/files/category/417-rise-of-flight/)

http://www.strategyinformer.com/pc/mods/riseofflight/mod.html (http://www.strategyinformer.com/pc/mods/riseofflight/mod.html)

Skin packs sorted by aircraft type so you don't have to download a bunch of skins for planes you don't fly!

http://riseofflight.com/Forum/viewtopic.php?f=112&t=34744&p=498254#p498254 (http://riseofflight.com/Forum/viewtopic.php?f=112&t=34744&p=498254#p498254)