Websites:

• Quantum ESPRESSO 
• SSSP
• PseudoDojo
• PSlibrary
• Online converter from cif file/VASP POSCAR file
  
• Online k-path finder
  

Youtube channel “QuantumNerd”

• https://www.youtube.com/channel/UCgQPek4ZSo_yL7wEjIhxvfA