app: phpBB
http://www.phpbb.com/phpBB/
"One-click install, multiple language packs, simple and intuitive user interfaces, support for BBCode and powerful administration features. ... powerful template system, fulltext based searching, advanced permissions system, powerful modularised administration controls, multiple database support, new moderator functions and much more."
phpBB
: 2007
language support: Tibetan in phpBB
http://www.phpbb.com/support/documents.php?mode=faq
Scroll down to item number 12: "I am seeing &#nnnn; sequences output instead of what I typed!" and follow the discussion there.
phpBB
: 2007