Jtdx 2.2.160 [best] -

While WSJT-X typically decodes down to -24 dB SNR, JTDX 2.2.160 reliably decodes as low as (and sometimes -33 dB) in real-world conditions. This is achieved through improved soft-decision FEC processing and a custom iterative decoder.

Requires: libfftw3, hamlib, qt5