Discuz!ML - Multilingual Social Network Engine by CodersClub.org.
Currently it supports the next languages:
1) English (English)
2) French (Français)
3) German (Deutsch)
4) Polish (Polski)
5) Russian (Русский)
6) Spanish (Español)
7) Turkish (Türkçe)
8) Simplified Chinese (简体中文)
9) Traditional Chinese (繁體中文)
10) Korean (한국어)
11) Lao (ພາສາລາວ)
12) Thai (ไทย)
13) Vietnamese (Tiếng Việt)
14) Arabic (العربية)
15) Farsi (Persian فارسی)
16) Uighur