Let's Build that App is good too for specific IOS Swift and Kotlin mobile development: https://www.youtube.com/channel/UCuP2vJ6kRutQBfRmdcI92mA https://www.you

Let's Build that App is good too for specific IOS Swift and Kotlin mobile development: https://www.youtube.com/channel/UCuP2vJ6kRutQBfRmdcI92mA https://www.youtube.com/channel/UCuP2vJ6kRutQBfRmdcI92mA Also freecodecamp, mozilla and Google Developers all have good youtube channels for coding concepts and new stuff.