Yes, both Calendly and Great Question offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Great Question is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Great Question Starts at $49/Month.
Some top alternatives to Calendly includes Appointy, Acuity Scheduling, Setmore, Microsoft Bookings, Cogsworth, Book Like A Boss, Doodle, Tidycal, Cal.com, DaySchedule, Google Calendar, Calendar and Zoho Booking.
Some top alternatives to Great Question includes Figma, FigJam, UX-App, UserX, Dovetail, UXtweak, UserTesting, MFour, UXArmy, UX Metrics, UserLook and Proven by Users.