Yak On

Yak On is the premier instant messaging client for the BlackBerry. Yak On supports AIM, ICQ, MSN, and PIN to PIN instant messaging.

Yak On s features include: Tabbed chat screen with support for up to four concurrent conversations, new IM and buddy sign on alerts, URL linking for email addresses, telephone numbers, and Web addresses in conversations, Buddy add/delete for all services, Buddy block/unblock for AIM, ICQ, and MSN, Buddy status including online, offline, away, and idle with idle time.

Requirements:

Windows 95/98/Me/NT/2000/XP, BlackBerry OS 4.0 or better

Limitations:

Time limited