Launch a quickstart and give it a few seconds to start up (especially if built from source).

School timetabling

Assign lessons to timeslots and rooms to produce a better schedule for teachers and students.

Facility location problem

Pick the best geographical locations for new stores, distribution centers, covid test centers or telco masts.

Maintenance scheduling

Schedule maintenance jobs to crews over time to reduce both premature and overdue maintenance.

Vaccination scheduling

Assign people to vaccination injection appointments over time at vaccination centers to end a pandemic sooner.

Factorio layout

Assign machines to assembly line locations to design the best factory layout.

OptaWeb Vehicle Routing

Find the most efficient routes for a fleet of vehicles.

OptaWeb Employee Rostering

Assign employees to shifts to improve shifts schedule.

OptaPlanner examples

Many examples in desktop technology.