Shagnetics
Various hip hop forums.

DJ Connection
Forums cater to hip hop, R&B and Reggae DJs.

Unrleased Rap Battle Lyrics
Forum featuring rap battles, freestyle, advice, poetry, hiphop, and R&B.

Mr.Blunt's Forums
Hiphop forums with a special focus on hiphop and its influence on modern politics.

UGHH Forums
One of the most well-known hiphop forums online, covers all four elements of the culture.

The Legion of Doom Club
Club for artists; Aaliyah, Ginuwine, Missy, Timbaland, Playa, Magoo, Nicole, and Lil'Mo.

B-Boys Forums
Discuss all elements of hip-hop including MC battle forums.

Rapmusic.com Board
An active rap community with a huge selection of forums.

HHD Lounge
Hiphop discussion and chat forums at Hiphop-Directory - Covers all four elements of the culture, both underground & mainstream.

Jackin4Beats
Come freestyle, talk about the latest beats or just plain Hip-Hop chat.

Rap Cityz Forums
Hip Hop discussion board with an open mic forum and a battle forum.

Hip Hop Central
Several message boards with topics including events, reviews, production, news, lyrics, and battles.

Flowdoctors.com
Battle forums and all the latest hip hop news.

Hip to the Hop Community
Hip-hop/rap music and culture discussion forums.

SOHH Global Forum
A large hip-hop forum discussing music and the culture.

MC Battle Boards
Sixshot Community, features Battle Booth, Forums and Live Chat.