Top 4 schedules open source projects

ClassClock is a free, easy-to-use web app for K-12 schools that provides an at-a-glance view of the school schedule

Application to facilitate process of creating schedules for workers in medical foundations

Easily power on/off any kind of device based on a schedule that you can easily create at the node-red-dashboard frontend.

Meteoroid realizes integrating Function as a Service(FaaS) capabilities in FIWARE. It provides a management interface specialized for FaaS and FIWARE.