Get Data from Steam / SteamDB / EpicDB (ex Get DLC Info from SteamDB) it's a userscript able to extract all the information of the DLCs Games from Steam / SteamDB / EpicDB and are exported in various formats. It also has small tools :)
Automatically finds all installed Steam/Epic games and their respective Steamworks/Epic Online Services DLL locations on the user's computer, automatically parses SteamCMD, Steam Store, and Epic Games Store for those games' DLCs, then provides a very simple graphical interface utilizing the gathered information.