NWChem has an internal keyword for DC-DFT in a form of non self-consistent DFT.
For example, to perform HF-PBE, the input needs to contain below sections to first calculate KS orbitals from exact exchange functional (EXX), and then evaluate non self-consistent DFT energy on the orbital with the noscf keyword.
dft
xc hfexch
vectors output hf.movecs
end
task dft energy
dft
xc xpbe96 cpbe96
vectors input hf.movecs
noscf
end