Yes, both Chatter and uShare.to offer a Free Trial.
Chatter is designed for Large Enterprises, Medium Business and Small Business.
uShare.to is designed for Individuals, Medium Business and Small Business.
The starting price of uShare.to begins at $7/User/Month, while pricing details for Chatter are unavailable.
Some top alternatives to Chatter includes mi.team, Yammer, Jamespot, Convo, talkspirit, Dialog, Speakap, SecOne, Brosix and Icebreaker time!.
Some top alternatives to uShare.to includes Google Chat, Output Messenger, Hibox, ChatWork, Dialog, Office Chat, 360dialog, ChatBlazer, Brosix and Teamwork Chat.
