Yes, both Calendly and Messagely offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Messagely is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Messagely Starts at $29/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 Messagely includes ZoomInfo Chat, LiveAgent, LiveChat, Crisp, Zendesk Chat, Zoho SalesIQ, Smartchat, JivoChat, LinkedChat, ChatFlow247 and Let's Connect.