We looked at other solutions, namely, Slack, Quip and Yammer.

For some teams, depending on how they collaborate, you might find that it makes sense to have two collaboration tools, i.e., business-wide communications on Chatter and subteams, perhaps the development team, using Slack.

Salesforce being the number one cloud-based CRM product, I think one can recommend it in the first go.

We evaluated Jabber.

We looked at too many to list. I don’t remember all of them.

We didn’t look at alternatives for the Enterprise Social Network part. That was already included within the Salesforce licenses we had.