Payware:
Christrains RS1
https://www.christrains.com/en/ts_product_stadlerRS1.html

TTB Szenariopakete 1-3
https://www.trainteamberlin-shop.de/rw-szenariopacks/

3DZUG KI-Pack
https://www.3dzug.de/product_info.php?language=de&info=p276_verkehrspack-gueterwagen.html

TSG BR 425
https://www.3dzug.de/product_info.php?language=de&info=p413_br-425-pro-line.html

vR BR 140 EH VRot EL
https://virtual-railroads.de/de/zug-pakete-el/51-db-br140-falns-expertline.html

vR BR 181 VRot EL
https://virtual-railroads.de/de/elloks-el/67-db-br1812-vrot-expertline.html

AP-Wetter
https://www.armstrongpowerhouse.com/index.php?route=product/product&product_id=197

Freeware:
RS1 TransRegio Repaint
https://www.railsimulator.net/wsif/index.php?entry/700-rs1-transregio-used/

TTB Bonuspacks BR 110, 143, 145 und 218
https://www.trainteam.berlin/index.php?seite=downloads&code=show_cat&id_cat=39&cat_name=Bonuspacks

3DZUG KI-Repaints
https://www.raildesigns.de/downloads/3dzug-ki-repaints/