Design Patterns in C++: https://refactoring.guru/design-patterns/cpp
SudoCode Best for theory: https://www.youtube.com/playlist?list=PLTCrU9sGybupCpY20eked6blbHI4zZ55k
Common Qs: https://github.com/ashishps1/awesome-low-level-design
GKCS LLD Playlist: https://www.youtube.com/playlist?list=PLMCXHnjXnTnvQVh7WsgZ8SurU1O2v_UM7
Credits: GeeksForGeeks, Refactoring Guru, Sudo Code