- Manchester Carry Chain Adder
- Transmission function Adder
- Ripple Carry Adder
- Carry Increment Adder
- Carry Skip Adder
- Carry Save Adder
- Carry Select Adder
- Conditional Sum Adder
- Carry Look Ahead Adder
- Ling Adder
- ELM Adder
- Sklansky Adder
- Kogge-Stone Adder
- Brent-Kung Adder
- Han-Carlson Adder
- Floating Point Adder
- Vedic Adder
- Make a common SV testbench to test new adders