cw-decoder
There are 3 repositories under cw-decoder topic.
k3ng/k3ng_cw_keyer
K3NG Arduino CW Keyer
camilstaps/CWDecoder
WD7FHC's CW decoder using a PIC microcontroller
ftl/sdrainer
Combine a pasta strainer with a Software Defined Radio and you get a SDRainer.