Appointy is a versatile scheduling platform popular in service-based industries. It offers online booking pages, calendar sync (Google, Outlook, iCal), SMS/email reminders, resource and multi-location management, and integrations with social media, payment gateways, and Zapier.

You can generate gift certificates, handle multiple services, and manage client workflows. It includes a free plan and scalable tiers. Limitations include Appointy branding on lower plans and premium pricing for advanced customization and marketing features.