Probably

Lotus - Public

274,298 Members | 2,586 In-Game | 24,469 Online | 1016 In Group Chat

TF2 Outpost

158,534 Members | 2,931 In-Game | 25,273 Online | 896 In Group Chat

tf2center.com - Public

46,959 Members | 1,107 In-Game | 6,900 Online | 1341 In Group Chat

9,700 Members | 169 In-Game | 1,310 Online | 612 In Group Chat

.pdf

3 Members | 0 In-Game | 1 Online | 0 In Group Chat

LDLC * - Public

3,353 Members | 40 In-Game | 266 Online | 6 In Group Chat

MicNation - Public

872 Members | 9 In-Game | 136 Online | 7 In Group Chat

CSGOForums.com - Public

93 Members | 0 In-Game | 7 Online | 0 In Group Chat