Yes, both ThoughtFarmer and Interact Software offer a Free Trial.
ThoughtFarmer is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Interact Software is designed for Large Enterprises, Medium Business and Small Business.
The starting price of ThoughtFarmer begins at $5/User/Month, while pricing details for Interact Software are unavailable.
Some top alternatives to ThoughtFarmer includes Interact, Yammer, Interact Software, OnSemble, MyHub Intranet Software, Engynn Intranet, SION and OneWindow Workplace.
Some top alternatives to Interact Software includes Interact, Yammer, Invotra, MyHub Intranet Software, Creative Social Intranet, Attollo Intranet, HCL Connections, Oak Engage and Engynn Intranet.