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Office Chat offers Free Trial, but Trillian does not.
Trillian is designed for Large Enterprises, Medium Business and Small Business.
Office Chat is designed for Medium Business and Small Business.
Pricing for Trillian Starts at $3.33/Month when Billed Yearly whereas for Office Chat Starts at $20.75/Month when Billed Yearly.
Some top alternatives to Trillian includes Google Chat, HCL Sametime, Output Messenger, Dialog, Office Chat, mais.im, imBee, Softros LAN Messenger, Takle and Brosix.
Some top alternatives to Office Chat includes Google Chat, Output Messenger, Trillian, Dialog, imBee, Pumble, Takle, TelebuPing, Microsoft Kaizala and ICQ.