Phase-cycled

2D COSY  
2D COSY-MQF  
2D J-Resolved  
2D SECSY  
2D RELAY  
2D TOCSY 
2D Zero-Quantum (ZQ) 
2D Double-Quantum (DQ) 
2D NOESY  
2D ROESY  
2D EXSY 
Phase-cycled hybrid

2D DQ-TOCSY
2D RELAY-NOESY  
2D TOCSY-NOESY  
2D DQ-NOESY  
2D NOESY-RELAY 
2D NOESY-TOCSY  
Band-selective

Semi-selective 2D COSY
Semi-selective 2D TOCSY
Semi-selective 2D ROESY
Semi-selective 2D NOESY
Miscellaneous

2D SERF

Also see homonuclear gradient-based 2D experiments