Yes, both BBM Enterprise and Output Messenger offer a Free Trial.
BBM Enterprise is designed for Large Enterprises and Medium Business.
Output Messenger is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Output Messenger begins at $35/Year, while pricing details for BBM Enterprise are unavailable.
Some top alternatives to BBM Enterprise includes Cisco Jabber, Verizon Business Messaging, Output Messenger, Trillian, Dialog, Office Chat, imBee, Brosix, Microsoft Kaizala and Signal Messenger.
Some top alternatives to Output Messenger includes Slack, uShare.to, Trillian, Dialog, Office Chat, SafeChats, Softros LAN Messenger, Takle, Brosix and Teamwork Chat.