Good Noise remover for Linux - does it exist?

[Silvio_Grosso (Silvio)]

Hello @maboleth

With G’MIC 2.9 (installed as plugin on Gimp 2.10.18) you get plenty of Noise reduction filters.

For instance:

Test a new noise reduction filter

[nr_2019] Here’s a new noise reduction filter for the plugin to test. You can find it in Testing>Iain Fergusson>Iain nr 2019 I think it gives good results and is quite quick compared to some other GMIC denoising filters. Still a work in progress and I have a much slower version I am working on. Short description of controls: HF recover: The plugin runs a 5x5 median filter and the recovers the details from the noise it has removed. This controls the amount of recovery MF and LF Smooth: For…

Never tried them in depth, though.
Luckilly, I can always take my pictures at 200 ISO, tops…

As suggested, if you provide a RAW sample we can test it ourselves.
Better yet, you could provide it on the “Play RAW” section of this forum so that everyone can have some fun with it.
Since most of us are confined in our homes (due to the Corona virus scourge) we have plenty of time…