Yes, both Calendly and Ontraport offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Ontraport is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Ontraport Starts at $24/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 Ontraport includes Outgrow, ActiveCampaign, CleverTap, Moosend, Omnisend, Outfunnel, Hubspot Marketing Hub, Funnel CRM, Keap, MailChimp, ConvertKit, ClickFunnels, FlyerFunnel and Contactspot.