Audiometers for LMMS / Linux

Questions about producing? Ask them here.
I use bc frequency analist

Blue Cat Freq Analyst VST by Blue Cat Audio

Works fine on windows too.
On win7, I use this VST effects :

- Goniometer and spectrometer: EasySSP https://au.tomatl.org/

- Oscilloscope: s (m) exoscope http://bram.smartelectronix.com/plugins.php?id=4

- Sonogram: sg-1 http://ag-works.net/plugins.sg1.htm