Yes, both Calendly and Mailshake offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Mailshake is designed for Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Mailshake Starts at $58/User/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 Mailshake includes Apollo.io, AroundDeal, CrankWheel, ZoomInfo Engage, OutreachCRM, MailChimp, lemlist, OutreachPlus, AutoPitch, Outreach, Use Outreach, Instantly, OutReachly by 500apps and SmartReach.io.