Split catagory

[AleXanniX]

Hello,
time ago i have found in vb.org a mod that split forum catagory like this forum http://forum.hdblog.it/forum.php (Tutto, HTC, Android, ect.) but now i can't fid this...
can you help me?

EDIT: solved, this is the mod https://vborg.vbsupport.ru/showthread.php?t=233135