Yes, both Calendly and Overloop CRM offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Overloop CRM is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Overloop CRM Starts at $82/User/Month when Billed Yearly.
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 Overloop CRM includes Campaigner, Moosend, SMTP, Omnisend, Outfunnel, DigitalCRM.com, EmailGreen, Constant Contact, Campaign Monitor, GetResponse, Emma, OutreachPlus, EmailOpen, Sendloop, SendFox and Loop Email.