BirchPress is described as 'Scheduler is a WordPress appointment booking plugin that allows service businesses such as spas, massages, photographers and so on to accept appointments online. Easy Online Appointments' and is an app in the Office & Productivity category. There are three alternatives to BirchPress for Wordpress, Self-Hosted solutions, SaaS and Cloudron. The best alternative is Easy!Appointments, which is both free and Open Source. Other great apps like BirchPress are Simply Schedule Appointments (Freemium) and Easy Appointment (Freemium).
Easy!Appointments is a highly customizable web application that allows your customers to book appointments with you via the web. Moreover, it provides the ability to sync your data with Google Calendar so you can use them with other services.