What are all integrated middleware in UE4?

Hello,

I am new to unreal engine 4, and i am wondering what middleware are currently integrated in unreal engine 4.

Please let me know.

Thanks!

what do you mean with middleware exactly?

If you mean libraries then look up ThirdParty directory in source

https://github.com/EpicGames/UnrealEngine/tree/dff3c48be101bb9f84633a733ef79c91c38d9542/Engine/Source/ThirdParty

Each can be used by specific module for example if you wont use WebBrowser widget, CEF is not used