Calendly
Description: Calendly is an online appointment scheduling software that allows users to provide clients and customers with a personalized link or embedded scheduling page to book appointments, consultations, or other meetings directly on the service provider's calendar.
Type: software
Pricing: Freemium
WhatsApp
Description: WhatsApp is a popular cross-platform instant messaging and voice over IP service owned by Meta. It allows users to send text messages, voice messages, video calls, images, documents and user location free over an internet data connection.
Type: software
Pricing: Free