GOG users - steamworkshopdownloader.io

As of writing this, currently most of the custom content for Streets of Rogue is monopolized on Steam

GOG users - steamworkshopdownloader.io

GOG introduces user profiles for social butterflies

GOG vs Steam: Which Is Better for Gamers? - MiniTool Partition Wizard

Why every PC gamer should use GOG Galaxy 2.0

Direct Download From Steam Workshop - Colaboratory

GitHub - CommunityWorkshop/LegacyWorkshopDownloader

HowTo: Add Mods to GOG Version : r/slaythespire

GitHub - imwaitingnow/WorkshopDL: WorkshopDL - The Best Steam Workshop Downloader plus installer

GitHub - MCOfficer/sgmm: The Stellaris GOG Mod Manager

D:OS2 on GOG and Steam Workshop content. - Larian Studios forums

Streets of Rogue Windows, Mac, Linux, XONE, PS4 game - ModDB