Volition - A self-hosted daily planner that focuses on reflection
Koalendar - Free Online Appointment Scheduling Software
Time Tracking for Freelancers - A simple, fully integrated time tracker for freelancers
Square Appointments - Add an online booking link. Easily embed the customizable widget directly on your website. Any changes to your online scheduling, prices, or services update automatically.
Timist - Track your time, session by session
With You and Me - Create a page that accepts appointments easily:1.