For insights into the diverse Jewish life in Vienna and the Austrian federal states, visit the websites of the respective Jewish communities, especially the IKG Vienna. 
Links: Ikg-wien.at; juedischegemeinde-graz.at; ikg-innsbruck.at; ikg-linz.at; ikg-salzburg.at; baden.at/Juedische_Gemeinde_Baden.

Recent decades have seen new Jewish museums established in Eisenstadt, Vienna and Hohenems. Since 2022, renovated former synagogues in Stadtschlaining and Kobersdorf (Burgenland) have been used as memorial and educational sites.
Links: ojm.at; jmw.at; jm-hohenems.at; burgenland.at/themen/kultur/synagoge-kobersdorf; friedensburg.at/ueber-uns/die-synagoge.

For information and explanations about Jewish holidays, visit: 
de.chabad.org/holidays/default_cdo/jewish/holidays.htm

Injoest offers an extensive collection of databases and archives for historical and genealogical research: 
juden-in-st-poelten.at/de/material_sammlung/links