The official forum for the Byond game: Pokemon Power Rage

The Viking Trade Federation Forum is a forum only for members of the Viking Trade Federation (VTF). The VTF is open to all Dark Age traders who are also members of The Vikings. This forum is for topic
+trade, +federation, +forum, +only, +members, +trade, +federation, +(vtf), +open, +dark, +traders, +also

free forum : Rage Guild on Rappelz Tanda Server
+free, +forum, +rappelz, +tanda

This is the official forum of Arthur's Hall of Viking Manliness. Extremism and obscenity are highly encouraged.
+this, +official, +forum, +arthur's, +hall, +manliness, +extremism, +obscenity, +highly, +encouraged.

Heres a forum about the eclectic genre Folk Metal or more exactly about Viking, Pagan Folk Metal as bands like Ensiferum, Korpiklaani, Eluveitie, Cruachan, Finntroll.. 
+folk, +metal, +sword, +ensiferum, +finntroll, +pagan

~VIKING_AXE_KINGDOM_official_forum~
+kingdom, +travian

Shaiya Forum

This is for people who like to rage
+rager's, +unite

This forums are temporarily created by nolane for the V'Kings community.
+vkings, +v'kings, +vikings, +bikers

Free forum : This is a club for people that belong to TCPV (The Club Penguin Vikings) and RMCC (The Royal Medieval Castle and Club) on club penguin. Originated from the club penguin forums. Lead by sa
+free, +forum, +club, +penguin, +samwesty999, +gapti, +medieval

A modern twist on the classic Club Penguin, Fantage, RuneScape, Electronics, or other frequently discussed topics forums with more options and more fun.
+club, +penguin, +forum, +forums, +free, +robot, +runescape, +clan, +hobbies, +cool, +awesome, +computer, +color, +screen, +hack