It is possible to do further “data integration”. As example https://mail.aegee.org/cgit/aegee-cal/ contains code to extract data from OMS, pushing it to cal.aegee.org.
https://central.aegee.org/h/en.html#vdirsyncer explains how to download all data from central.aegee.org in machine readable format.
When 🕘︎Saturday, January 08, 2022 at 09:15 - 09:30 GMT+2
Created on Thursday, January 13, 2022 at 09:06:25 GMT+2
Last modified on Friday, January 14, 2022 at 11:06:45 GMT+2
Link to calendar https://central.aegee.org/?d=2022-01-08&id=a97e575273847a018e7375806d7b21723d256de8a&cal=2
💾︎iCalendar file https://central.aegee.org/c/2/97e575273847a018e7375806d7b21723d256de8a.ics