CubicSDR[0], Gqrx[1], swradio-8[2], qSdrSwr[3] -- all are cross-platform FOSS apps for Linux, Windows, Mac.

Also, look on csete's repos[4] from.

[0] https://github.com/cjcliffe/CubicSDR

[1] https://github.com/csete/gqrx

[2] https://github.com/JvanKatwijk/swradio-8

[3] https://github.com/PTDreamer/qSdrSwr

[4] https://github.com/csete?tab=repositories