Fosphor

Open-source, GPU-accelerated FFT and Waterfall display tool GNU Radio block for RTSA-like spectrum visualization Uses OpenCL and OpenGL for acceleration High frame rate, great for visualizing fast-changing signals Created by Sylvain Munaut, @tnt, https://github.com/smunaut Wiki page: https://projects.osmocom.org/projects/sdr/wiki/Fosphor Github Mirror - https://github.com/osmocom/gr-fosphor Video demo https://www.youtube.com/watch?v=mjD-l3GAghU