Untis is described as 'assists you in creating a timetable suitable for your school' and is an app in the Education & Reference category. There are more than 10 alternatives to Untis for a variety of platforms, including Windows, Online / Web-based, Mac, Linux and Self-Hosted solutions. The best alternative is FET, which is both free and Open Source. Other great apps like Untis are aSc TimeTables (Freemium), Lantiv TimeTabling Turbo (Paid), Peñalara GHC (Freemium) and ScheduFlow (Paid).
The MyTimeTable.de-App allows you to have your timetable, "homework book" and exam dates always with you. Just type in your timetable on the website (currently German only) or in the app. Once you have logged in your timetable will also be available offline.
AlekSIS is a web-based school information system (SIS) which can be used to manage and/or publish organisational subjects of educational institutions. Formerly two separate projects (BiscuIT and SchoolApps), developed by
UniTime is a comprehensive educational scheduling system that supports developing course and exam timetables, managing changes to these timetables, sharing rooms with other events, and scheduling students to individual classes.