Yes, both Nintex RPA and ThinkAutomation offer a Free Trial.
Nintex RPA is designed for Large Enterprises and Medium Business.
ThinkAutomation is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Nintex RPA Starts at $90/User/Month whereas for ThinkAutomation Starts at $312/Month.
Some top alternatives to Nintex RPA includes AutomationEdge, UiPath RPA, Robomotion RPA, Blue Prism, ProcessRobot, NICE Robotic Process Automation, Automation Anywhere - RPA and IBM Robotic Process Automation.
Some top alternatives to ThinkAutomation includes AutomationEdge, UiPath RPA, Robomotion RPA, Blue Prism, ProcessRobot, akaBot, Automation Anywhere - RPA and IBM Robotic Process Automation.