There are 2 repositories under scheduling-engines topic.
Time-manager of delayed tasks. Like crontab, but synchronous asynchronous tasks are possible scheduling, and dynamic add/cancel/remove is supported.
Implementation of SPQ, WRR, and DWRR Scheduling Algorithms
Intelligent Scheduling for Arduino
Exam Scheduling and Registration System for multiple campuses and departments, developed for the University of Colorado Department of Applied Mathematics.
Job Scheduler and Dependency Manager based on Multi-level Feedback Queue
Recipes for setting up a local virtual cluster using specific scheduling engines.