FET
Liviu Lalescu and FET contributors
FET is free, open-source school timetable generator software for educational institutions. It uses constraint-based scheduling to create timetables for teachers, student groups,...
Pros
- Free and open-source with no per-school licensing cost
- Runs locally on major desktop operating systems
- Supports many hard and soft scheduling constraints
Cons
- Lacks Untis-style built-in communication and substitution management
- Requires more manual setup and technical ownership
- User interface is less polished and less approachable for casual users