When I first started cubing, I noticed there wasn't any software to train and analyse all steps of CFOP, so that's why I have put almost 2000 hours of my time into
2-Look OLL Tutorial | Beginners CFOP - YouTube
CFOP) 2 Look OLL Tutorial - YouTube
Speed Cube CFOP Memo - The lists of F2L/OLL/PLL -:Amazon.de:Appstore for Android
CFOP Algorithm Flashcards | SpeedCubeShop
Speedcubing - Wikipedia
CFOP: OLL for Beginners + 2-Look Tutorial - YouTube